diff --git a/res/css/views/rooms/_MemberDeviceInfo.scss b/res/css/views/rooms/_MemberDeviceInfo.scss
index 951d1945b1..e73e6c58f1 100644
--- a/res/css/views/rooms/_MemberDeviceInfo.scss
+++ b/res/css/views/rooms/_MemberDeviceInfo.scss
@@ -25,6 +25,7 @@ limitations under the License.
     width: 12px;
     height: 12px;
     mask-repeat: no-repeat;
+    mask-size: 100%;
 }
 .mx_MemberDeviceInfo_icon_blacklisted {
     mask-image: url('$(res)/img/e2e/blacklisted.svg');