diff --git a/skins/base/css/molecules/RoomHeader.css b/skins/base/css/molecules/RoomHeader.css
index 58416c4d..d9385af8 100644
--- a/skins/base/css/molecules/RoomHeader.css
+++ b/skins/base/css/molecules/RoomHeader.css
@@ -40,6 +40,7 @@ limitations under the License.
     -webkit-order: 1;
     order: 1;
 
+    -webkit-flex: 1;
     flex: 1;
 }
 
diff --git a/skins/base/css/organisms/LeftPanel.css b/skins/base/css/organisms/LeftPanel.css
index 5a466256..a00184dd 100644
--- a/skins/base/css/organisms/LeftPanel.css
+++ b/skins/base/css/organisms/LeftPanel.css
@@ -40,6 +40,7 @@ limitations under the License.
     order: 1;
 
     overflow-y: scroll;
+    -webkit-flex: 1 1 0;
     flex: 1 1 0;
 }
 
diff --git a/skins/base/css/organisms/MemberList.css b/skins/base/css/organisms/MemberList.css
index 0c7c9ffa..4d2e7215 100644
--- a/skins/base/css/organisms/MemberList.css
+++ b/skins/base/css/organisms/MemberList.css
@@ -46,6 +46,7 @@ limitations under the License.
     background-color: #fff;
 
     order: 1;
+    -webkit-flex: 1 1 0;
     flex: 1 1 0px;
 }
 
diff --git a/skins/base/css/organisms/RoomDirectory.css b/skins/base/css/organisms/RoomDirectory.css
index 1cd80d71..793ba5af 100644
--- a/skins/base/css/organisms/RoomDirectory.css
+++ b/skins/base/css/organisms/RoomDirectory.css
@@ -32,6 +32,7 @@ limitations under the License.
 }
 
 .mx_RoomDirectory_list {
+    -webkit-flex: 1;    
     flex: 1;
 
     display: -webkit-box;
@@ -57,6 +58,7 @@ limitations under the License.
 
 .mx_RoomDirectory_tableWrapper {
     overflow-y: scroll;
+    -webkit-flex: 1 1 0;    
     flex: 1 1 0;
 }