diff --git a/src/platform/web/ui/css/layout.css b/src/platform/web/ui/css/layout.css
index df12534f..3fb23a27 100644
--- a/src/platform/web/ui/css/layout.css
+++ b/src/platform/web/ui/css/layout.css
@@ -210,7 +210,7 @@ the layout viewport up without resizing it when the keyboard shows */
 }
 
 .LazyListParent {
-    height: 100vh;
+    flex: 1;
 }
 
 .LoadingView {
diff --git a/src/platform/web/ui/css/right-panel.css b/src/platform/web/ui/css/right-panel.css
index c8a64a27..77f63f70 100644
--- a/src/platform/web/ui/css/right-panel.css
+++ b/src/platform/web/ui/css/right-panel.css
@@ -7,7 +7,7 @@
 
 .RoomDetailsView {
     flex-direction: column;
-    height: 100%;
+    flex: 1;
 }
 
 .RoomDetailsView_avatar {