diff --git a/skins/base/css/organisms/RightPanel.css b/skins/base/css/organisms/RightPanel.css
index d4b33c30..52d7077a 100644
--- a/skins/base/css/organisms/RightPanel.css
+++ b/skins/base/css/organisms/RightPanel.css
@@ -32,6 +32,8 @@ limitations under the License.
     -ms-flex-order: 1;
     -webkit-order: 1;
     order: 1;
+
+    -webkit-flex: 0 0 50px;
     flex: 0 0 50px;    
 
     text-align: right;
diff --git a/skins/base/css/organisms/RoomView.css b/skins/base/css/organisms/RoomView.css
index 460a02f8..2069f164 100644
--- a/skins/base/css/organisms/RoomView.css
+++ b/skins/base/css/organisms/RoomView.css
@@ -35,6 +35,7 @@ limitations under the License.
     -webkit-order: 1;
     order: 1;
 
+    -webkit-flex: 0 0 50px;
     flex: 0 0 50px;
     border-bottom: 1px solid #d8d8d8;
 }
@@ -85,6 +86,7 @@ limitations under the License.
     order: 4;
 
     width: 100%;
+    -webkit-flex: 0 0 50px;
     flex: 0 0 50px;    
     /* background-color: #ff0; */
 }
diff --git a/skins/base/css/pages/MatrixChat.css b/skins/base/css/pages/MatrixChat.css
index 22a53aea..7f7f1264 100644
--- a/skins/base/css/pages/MatrixChat.css
+++ b/skins/base/css/pages/MatrixChat.css
@@ -33,6 +33,7 @@ limitations under the License.
     -webkit-order: 1;
     order: 1;
 
+    -webkit-flex: 0 0 230px;
     flex: 0 0 230px;
     height: 100%;
 }
@@ -56,6 +57,7 @@ limitations under the License.
     -webkit-order: 3;
     order: 3;
 
+    -webkit-flex: 0 0 230px;
     flex: 0 0 230px;
     height: 100%;       
 }