diff --git a/src/domain/session/room/timeline/TilesCollection.js b/src/domain/session/room/timeline/TilesCollection.js
index 75af5b09..173b0cf6 100644
--- a/src/domain/session/room/timeline/TilesCollection.js
+++ b/src/domain/session/room/timeline/TilesCollection.js
@@ -311,7 +311,7 @@ export function tests() {
             }
             const entries = new ObservableArray([{n: 5}, {n: 10}]);
             const tileOptions = {
-                tileClassForEntry: entry => UpdateOnSiblingTile,
+                tileClassForEntry: () => UpdateOnSiblingTile,
             };
             const tiles = new TilesCollection(entries, tileOptions);
             let receivedAdd = false;
@@ -337,7 +337,7 @@ export function tests() {
             }
             const entries = new ObservableArray([{n: 5}, {n: 10}, {n: 15}]);
             const tileOptions = {
-                tileClassForEntry: entry => UpdateOnSiblingTile,
+                tileClassForEntry: () => UpdateOnSiblingTile,
             };
             const tiles = new TilesCollection(entries, tileOptions);
             const events = [];
diff --git a/src/lib.ts b/src/lib.ts
index 7f4e5316..90bf597c 100644
--- a/src/lib.ts
+++ b/src/lib.ts
@@ -44,7 +44,7 @@ export {MissingAttachmentTile} from "./domain/session/room/timeline/tiles/Missin
 export {SimpleTile} from "./domain/session/room/timeline/tiles/SimpleTile.js";
 
 export {TimelineView} from "./platform/web/ui/session/room/TimelineView";
-export {viewClassForEntry} from "./platform/web/ui/session/room/common";
+export {viewClassForTile} from "./platform/web/ui/session/room/common";
 export type {TileViewConstructor, ViewClassForEntryFn} from "./platform/web/ui/session/room/TimelineView";
 // export timeline tile views
 export {AnnouncementView} from "./platform/web/ui/session/room/timeline/AnnouncementView.js";
diff --git a/src/platform/web/ui/session/RoomGridView.js b/src/platform/web/ui/session/RoomGridView.js
index 79fc3d21..65289bea 100644
--- a/src/platform/web/ui/session/RoomGridView.js
+++ b/src/platform/web/ui/session/RoomGridView.js
@@ -21,6 +21,11 @@ import {TemplateView} from "../general/TemplateView";
 import {StaticView} from "../general/StaticView.js";
 
 export class RoomGridView extends TemplateView {
+    constructor(vm, viewClassForTile) {
+        super(vm);
+        this._viewClassForTile = viewClassForTile;
+    }
+
     render(t, vm) {
         const children = [];
         for (let i = 0; i < (vm.height * vm.width); i+=1) {
@@ -39,7 +44,7 @@ export class RoomGridView extends TemplateView {
                     } else if (roomVM.kind === "invite") {
                         return new InviteView(roomVM);
                     } else {
-                        return new RoomView(roomVM);
+                        return new RoomView(roomVM, this._viewClassForTile);
                     }
                 } else {
                     return new StaticView(t => t.div({className: "room-placeholder"}, [
diff --git a/src/platform/web/ui/session/SessionView.js b/src/platform/web/ui/session/SessionView.js
index e7cc406a..ef63b29b 100644
--- a/src/platform/web/ui/session/SessionView.js
+++ b/src/platform/web/ui/session/SessionView.js
@@ -28,6 +28,7 @@ import {RoomGridView} from "./RoomGridView.js";
 import {SettingsView} from "./settings/SettingsView.js";
 import {CreateRoomView} from "./CreateRoomView.js";
 import {RightPanelView} from "./rightpanel/RightPanelView.js";
+import {viewClassForTile} from "./room/common";
 
 export class SessionView extends TemplateView {
     render(t, vm) {
@@ -42,7 +43,7 @@ export class SessionView extends TemplateView {
             t.view(new LeftPanelView(vm.leftPanelViewModel)),
             t.mapView(vm => vm.activeMiddleViewModel, () => {
                 if (vm.roomGridViewModel) {
-                    return new RoomGridView(vm.roomGridViewModel);
+                    return new RoomGridView(vm.roomGridViewModel, viewClassForTile);
                 } else if (vm.settingsViewModel) {
                     return new SettingsView(vm.settingsViewModel);
                 } else if (vm.createRoomViewModel) {
@@ -51,7 +52,7 @@ export class SessionView extends TemplateView {
                     if (vm.currentRoomViewModel.kind === "invite") {
                         return new InviteView(vm.currentRoomViewModel);
                     } else if (vm.currentRoomViewModel.kind === "room") {
-                        return new RoomView(vm.currentRoomViewModel);
+                        return new RoomView(vm.currentRoomViewModel, viewClassForTile);
                     } else if (vm.currentRoomViewModel.kind === "roomBeingCreated") {
                         return new RoomBeingCreatedView(vm.currentRoomViewModel);
                     } else {
diff --git a/src/platform/web/ui/session/room/MessageComposer.js b/src/platform/web/ui/session/room/MessageComposer.js
index 9c67fa9f..6ce8148f 100644
--- a/src/platform/web/ui/session/room/MessageComposer.js
+++ b/src/platform/web/ui/session/room/MessageComposer.js
@@ -17,11 +17,11 @@ limitations under the License.
 import {TemplateView} from "../../general/TemplateView";
 import {Popup} from "../../general/Popup.js";
 import {Menu} from "../../general/Menu.js";
-import {viewClassForEntry} from "./common"
 
 export class MessageComposer extends TemplateView {
-    constructor(viewModel) {
+    constructor(viewModel, viewClassForTile) {
         super(viewModel);
+        this._viewClassForTile = viewClassForTile;
         this._input = null;
         this._attachmentPopup = null;
         this._focusInput = null;
@@ -45,8 +45,8 @@ export class MessageComposer extends TemplateView {
         this._focusInput = () => this._input.focus();
         this.value.on("focus", this._focusInput);
         const replyPreview = t.map(vm => vm.replyViewModel, (rvm, t) => {
-            const View = rvm && viewClassForEntry(rvm);
-            if (!View) { return null; }
+            const TileView = rvm && this._viewClassForTile(rvm);
+            if (!TileView) { return null; }
             return t.div({
                     className: "MessageComposer_replyPreview"
                 }, [
@@ -55,8 +55,8 @@ export class MessageComposer extends TemplateView {
                         className: "cancel",
                         onClick: () => this._clearReplyingTo()
                     }, "Close"),
-                t.view(new View(rvm, { interactive: false }, "div"))
-                ])
+                t.view(new TileView(rvm, this._viewClassForTile, { interactive: false }, "div"))
+            ]);
         });
         const input = t.div({className: "MessageComposer_input"}, [
             this._input,
diff --git a/src/platform/web/ui/session/room/RoomView.js b/src/platform/web/ui/session/room/RoomView.js
index 2190f1f1..76e26eab 100644
--- a/src/platform/web/ui/session/room/RoomView.js
+++ b/src/platform/web/ui/session/room/RoomView.js
@@ -23,18 +23,18 @@ import {TimelineLoadingView} from "./TimelineLoadingView.js";
 import {MessageComposer} from "./MessageComposer.js";
 import {RoomArchivedView} from "./RoomArchivedView.js";
 import {AvatarView} from "../../AvatarView.js";
-import {viewClassForEntry} from "./common";
 
 export class RoomView extends TemplateView {
-    constructor(options) {
-        super(options);
+    constructor(vm, viewClassForTile) {
+        super(vm);
+        this._viewClassForTile = viewClassForTile;
         this._optionsPopup = null;
     }
 
     render(t, vm) {
         let bottomView;
         if (vm.composerViewModel.kind === "composer") {
-            bottomView = new MessageComposer(vm.composerViewModel);
+            bottomView = new MessageComposer(vm.composerViewModel, this._viewClassForTile);
         } else if (vm.composerViewModel.kind === "archived") {
             bottomView = new RoomArchivedView(vm.composerViewModel);
         }
@@ -55,7 +55,7 @@ export class RoomView extends TemplateView {
                 t.div({className: "RoomView_error"}, vm => vm.error),
                 t.mapView(vm => vm.timelineViewModel, timelineViewModel => {
                     return timelineViewModel ?
-                        new TimelineView(timelineViewModel, viewClassForEntry) :
+                        new TimelineView(timelineViewModel, this._viewClassForTile) :
                         new TimelineLoadingView(vm);    // vm is just needed for i18n
                 }),
                 t.view(bottomView),
diff --git a/src/platform/web/ui/session/room/TimelineView.ts b/src/platform/web/ui/session/room/TimelineView.ts
index 0c893847..5a04991f 100644
--- a/src/platform/web/ui/session/room/TimelineView.ts
+++ b/src/platform/web/ui/session/room/TimelineView.ts
@@ -28,7 +28,11 @@ export interface TileView extends IView {
     readonly value: SimpleTile;
     onClick(event: UIEvent);
 } 
-export type TileViewConstructor = new (tile: SimpleTile) => TileView;
+export type TileViewConstructor = new (
+    tile: SimpleTile,
+    viewClassForTile: ViewClassForEntryFn,
+    renderFlags?: { reply?: boolean, interactive?: boolean }
+) => TileView;
 export type ViewClassForEntryFn = (tile: SimpleTile) => TileViewConstructor;
 
 //import {TimelineViewModel} from "../../../../../domain/session/room/timeline/TimelineViewModel.js";
@@ -61,7 +65,7 @@ export class TimelineView extends TemplateView<TimelineViewModel> {
     private tilesView?: TilesListView;
     private resizeObserver?: ResizeObserver;
 
-    constructor(vm: TimelineViewModel, private readonly viewClassForEntry: ViewClassForEntryFn) {
+    constructor(vm: TimelineViewModel, private readonly viewClassForTile: ViewClassForEntryFn) {
         super(vm);
     }
 
@@ -71,7 +75,7 @@ export class TimelineView extends TemplateView<TimelineViewModel> {
             // do initial scroll positioning
             this.restoreScrollPosition();
         });
-        this.tilesView = new TilesListView(vm.tiles, () => this.restoreScrollPosition(), this.viewClassForEntry);
+        this.tilesView = new TilesListView(vm.tiles, () => this.restoreScrollPosition(), this.viewClassForTile);
         const root = t.div({className: "Timeline"}, [
             t.div({
                 className: "Timeline_scroller bottom-aligned-scroll",
@@ -184,13 +188,13 @@ class TilesListView extends ListView<SimpleTile, TileView> {
 
     private onChanged: () => void;
 
-    constructor(tiles: ObservableList<SimpleTile>, onChanged: () => void, private readonly viewClassForEntry: ViewClassForEntryFn) {
+    constructor(tiles: ObservableList<SimpleTile>, onChanged: () => void, private readonly viewClassForTile: ViewClassForEntryFn) {
         super({
             list: tiles,
             onItemClick: (tileView, evt) => tileView.onClick(evt),
-        }, entry => {
-            const View = viewClassForEntry(entry);
-            return new View(entry);
+        }, tile => {
+            const TileView = viewClassForTile(tile);
+            return new TileView(tile, viewClassForTile);
         });
         this.onChanged = onChanged;
     }
@@ -202,7 +206,7 @@ class TilesListView extends ListView<SimpleTile, TileView> {
 
     onUpdate(index: number, value: SimpleTile, param: any) {
         if (param === "shape") {
-            const ExpectedClass = this.viewClassForEntry(value);
+            const ExpectedClass = this.viewClassForTile(value);
             const child = this.getChildInstanceByIndex(index);
             if (!ExpectedClass || !(child instanceof ExpectedClass)) {
                 // shape was updated, so we need to recreate the tile view,
diff --git a/src/platform/web/ui/session/room/common.ts b/src/platform/web/ui/session/room/common.ts
index 201f14d0..7b62630f 100644
--- a/src/platform/web/ui/session/room/common.ts
+++ b/src/platform/web/ui/session/room/common.ts
@@ -26,7 +26,7 @@ import {SimpleTile} from "../../../../../domain/session/room/timeline/tiles/Simp
 import {GapView} from "./timeline/GapView.js";
 import type {TileViewConstructor, ViewClassForEntryFn} from "./TimelineView";
 
-export function viewClassForEntry(vm: SimpleTile): TileViewConstructor {
+export function viewClassForTile(vm: SimpleTile): TileViewConstructor {
     switch (vm.shape) {
         case "gap":
             return GapView;
diff --git a/src/platform/web/ui/session/room/timeline/AnnouncementView.js b/src/platform/web/ui/session/room/timeline/AnnouncementView.js
index 268bf0fa..5ae92daa 100644
--- a/src/platform/web/ui/session/room/timeline/AnnouncementView.js
+++ b/src/platform/web/ui/session/room/timeline/AnnouncementView.js
@@ -17,6 +17,11 @@ limitations under the License.
 import {TemplateView} from "../../../general/TemplateView";
 
 export class AnnouncementView extends TemplateView {
+    // ignore other arguments
+    constructor(vm) {
+        super(vm);
+    }
+
     render(t) {
         return t.li({className: "AnnouncementView"}, t.div(vm => vm.announcement));
     }
diff --git a/src/platform/web/ui/session/room/timeline/BaseMessageView.js b/src/platform/web/ui/session/room/timeline/BaseMessageView.js
index 7356cd2b..74b96ecf 100644
--- a/src/platform/web/ui/session/room/timeline/BaseMessageView.js
+++ b/src/platform/web/ui/session/room/timeline/BaseMessageView.js
@@ -24,10 +24,11 @@ import {Menu} from "../../../general/Menu.js";
 import {ReactionsView} from "./ReactionsView.js";
 
 export class BaseMessageView extends TemplateView {
-    constructor(value, renderFlags, tagName = "li") {
+    constructor(value, viewClassForTile, renderFlags, tagName = "li") {
         super(value);
         this._menuPopup = null;
         this._tagName = tagName;
+        this._viewClassForTile = viewClassForTile;
         // TODO An enum could be nice to make code easier to read at call sites.
         this._renderFlags = renderFlags;
     }
diff --git a/src/platform/web/ui/session/room/timeline/GapView.js b/src/platform/web/ui/session/room/timeline/GapView.js
index 2d3bd6e8..db6cda59 100644
--- a/src/platform/web/ui/session/room/timeline/GapView.js
+++ b/src/platform/web/ui/session/room/timeline/GapView.js
@@ -18,6 +18,11 @@ import {TemplateView} from "../../../general/TemplateView";
 import {spinner} from "../../../common.js";
 
 export class GapView extends TemplateView {
+    // ignore other argument
+    constructor(vm) {
+        super(vm);
+    }
+
     render(t) {
         const className = {
             GapView: true,
diff --git a/src/platform/web/ui/session/room/timeline/ReplyPreviewView.js b/src/platform/web/ui/session/room/timeline/ReplyPreviewView.js
index 3c52fc71..219e4357 100644
--- a/src/platform/web/ui/session/room/timeline/ReplyPreviewView.js
+++ b/src/platform/web/ui/session/room/timeline/ReplyPreviewView.js
@@ -16,15 +16,18 @@ limitations under the License.
 
 import {renderStaticAvatar} from "../../../avatar";
 import {TemplateView} from "../../../general/TemplateView";
-import {viewClassForEntry} from "../common";
 
 export class ReplyPreviewView extends TemplateView {
+    constructor(vm, viewClassForTile) {
+        super(vm);
+        this._viewClassForTile = viewClassForTile;
+    }
     render(t, vm) {
-        const viewClass = viewClassForEntry(vm);
-        if (!viewClass) {
+        const TileView = this._viewClassForTile(vm);
+        if (!TileView) {
             throw new Error(`Shape ${vm.shape} is unrecognized.`)
         }
-        const view = new viewClass(vm, { reply: true, interactive: false });
+        const view = new TileView(vm, this._viewClassForTile, { reply: true, interactive: false });
         return t.div(
             { className: "ReplyPreviewView" },
             t.blockquote([
diff --git a/src/platform/web/ui/session/room/timeline/TextMessageView.js b/src/platform/web/ui/session/room/timeline/TextMessageView.js
index c0c0cfb0..8d6cb4dc 100644
--- a/src/platform/web/ui/session/room/timeline/TextMessageView.js
+++ b/src/platform/web/ui/session/room/timeline/TextMessageView.js
@@ -35,7 +35,7 @@ export class TextMessageView extends BaseMessageView {
                 return new ReplyPreviewError();
             }
             else if (replyTile) {
-                return new ReplyPreviewView(replyTile);
+                return new ReplyPreviewView(replyTile, this._viewClassForTile);
             }
             else {
                 return null;