diff --git a/src/skins/vector/css/matrix-react-sdk/views/rooms/_MemberList.scss b/src/skins/vector/css/matrix-react-sdk/views/rooms/_MemberList.scss
index d87bced4..45e5c157 100644
--- a/src/skins/vector/css/matrix-react-sdk/views/rooms/_MemberList.scss
+++ b/src/skins/vector/css/matrix-react-sdk/views/rooms/_MemberList.scss
@@ -28,7 +28,7 @@ limitations under the License.
 }
 
 .mx_MemberList .mx_Spinner {
-    flex: 0;
+    flex: 0 0 auto;
 }
 
 .mx_MemberList_chevron {