diff --git a/src/skins/vector/css/matrix-react-sdk/views/rooms/_TopUnreadMessagesBar.scss b/src/skins/vector/css/matrix-react-sdk/views/rooms/_TopUnreadMessagesBar.scss
index 7bbafcbe..6b0c8863 100644
--- a/src/skins/vector/css/matrix-react-sdk/views/rooms/_TopUnreadMessagesBar.scss
+++ b/src/skins/vector/css/matrix-react-sdk/views/rooms/_TopUnreadMessagesBar.scss
@@ -20,11 +20,17 @@ limitations under the License.
     padding-top: 5px;
     padding-bottom: 5px;
     border-bottom: 1px solid $primary-hairline-color;
+
+    /* in absence of img */
+    height: 24px;
 }
 
 .mx_TopUnreadMessagesBar_scrollUp {
     display: inline;
     cursor: pointer;
+
+    /* in absence of img */
+    padding-left: 65px;
 }
 
 .mx_TopUnreadMessagesBar_scrollUp img {