diff --git a/src/platform/web/ui/css/layout.css b/src/platform/web/ui/css/layout.css
index 802ae329..38e7155e 100644
--- a/src/platform/web/ui/css/layout.css
+++ b/src/platform/web/ui/css/layout.css
@@ -54,7 +54,7 @@ main {
     min-width: 0;
 }
 
-.SideBarActive{
+.right-shown{
     grid-template:
         "status status status" auto
         "left   middle right" 1fr /
@@ -72,7 +72,7 @@ the layout viewport up without resizing it when the keyboard shows */
 .middle .close-middle { display: none; }
 /* mobile layout */
 @media screen and (max-width: 800px) {
-    .SessionView:not(.middle-shown, .SideBarActive) {
+    .SessionView:not(.middle-shown, .right-shown) {
         grid-template:
             "status" auto
             "left" 1fr /
@@ -86,7 +86,7 @@ the layout viewport up without resizing it when the keyboard shows */
             1fr;
     }
 
-    .SessionView.SideBarActive{
+    .SessionView.right-shown{
         grid-template:
             "status" auto
             "right" 1fr /
@@ -96,7 +96,7 @@ the layout viewport up without resizing it when the keyboard shows */
 
     .SessionView:not(.middle-shown) .room-placeholder { display: none; }
     .SessionView.middle-shown .LeftPanel { display: none; }
-    .SessionView.SideBarActive .middle { display: none; }
+    .SessionView.right-shown .middle { display: none; }
 
     /* show back button */
     .middle .close-middle { display: block !important; }
diff --git a/src/platform/web/ui/session/SessionView.js b/src/platform/web/ui/session/SessionView.js
index 2c2a3cd1..a6830fa7 100644
--- a/src/platform/web/ui/session/SessionView.js
+++ b/src/platform/web/ui/session/SessionView.js
@@ -33,7 +33,7 @@ export class SessionView extends TemplateView {
             className: {
                 "SessionView": true,
                 "middle-shown": vm => !!vm.activeMiddleViewModel,
-                "SideBarActive": vm => !!vm.roomInfoViewModel
+                "right-shown": vm => !!vm.roomInfoViewModel
             },
         }, [
             t.view(new SessionStatusView(vm.sessionStatusViewModel)),