diff --git a/src/ui/web/css/layout.css b/src/ui/web/css/layout.css
index b49955ec..feafbb59 100644
--- a/src/ui/web/css/layout.css
+++ b/src/ui/web/css/layout.css
@@ -51,7 +51,7 @@ body {
 }
 
 .RoomPlaceholderView, .RoomView {
-    flex: 1 0 0;
+    flex: 1 0 0px;
     min-width: 0;
 }
 
@@ -71,7 +71,7 @@ body {
 }
 
 .TimelinePanel ul {
-    flex: 1 0 0;
+    flex: 1 0 0px;
 }
 
 .RoomHeader {
diff --git a/src/ui/web/css/left-panel.css b/src/ui/web/css/left-panel.css
index e8f82cc5..443ffaeb 100644
--- a/src/ui/web/css/left-panel.css
+++ b/src/ui/web/css/left-panel.css
@@ -49,7 +49,7 @@ limitations under the License.
 
 .LeftPanel div.description {
     margin: 0;
-    flex: 1 1 0;
+    flex: 1 1 0px;
     min-width: 0;
 }
 
diff --git a/src/ui/web/css/main.css b/src/ui/web/css/main.css
index 7565d353..56f51fc0 100644
--- a/src/ui/web/css/main.css
+++ b/src/ui/web/css/main.css
@@ -30,6 +30,8 @@ limitations under the License.
     color: white;
     /* make sure to disable rubber-banding and pull to refresh in a PWA if we'd end up having a scrollbar */
     overscroll-behavior: none;
+    /* disable rubberband scrolling on document in IE11 */
+    overflow: hidden;
 }
 
 .hiddenWithLayout {