diff --git a/res/css/views/avatars/_BaseAvatar.scss b/res/css/views/avatars/_BaseAvatar.scss
index 964e815626..16261f000e 100644
--- a/res/css/views/avatars/_BaseAvatar.scss
+++ b/res/css/views/avatars/_BaseAvatar.scss
@@ -47,6 +47,7 @@ limitations under the License.
 
 .mx_BaseAvatar_image {
     object-fit: cover;
+    aspect-ratio: 1;
     border-radius: 125px;
     vertical-align: top;
     background-color: $background;