diff --git a/src/skins/vector/css/atoms/MemberAvatar.css b/src/skins/vector/css/atoms/MemberAvatar.css
index b8111d27f2..e76c2ad103 100644
--- a/src/skins/vector/css/atoms/MemberAvatar.css
+++ b/src/skins/vector/css/atoms/MemberAvatar.css
@@ -15,7 +15,8 @@ limitations under the License.
 */
 
 .mx_MemberAvatar {
-    position: relative;
+    /* commenting this out as it breaks on FF seemingly */
+/*    position: relative; */
 }
 
 .mx_MemberAvatar_initial {