diff --git a/plugins/chat/assets/stylesheets/common/chat-message-images.scss b/plugins/chat/assets/stylesheets/common/chat-message-images.scss
index 622e68b7a3a..53729b305f1 100644
--- a/plugins/chat/assets/stylesheets/common/chat-message-images.scss
+++ b/plugins/chat/assets/stylesheets/common/chat-message-images.scss
@@ -18,7 +18,9 @@ $max_image_height: 150px;
   }
 
   .onebox {
-    container-type: inline-size;
+    &:not(img) {
+      container-type: inline-size;
+    }
 
     .thumbnail {
       &.onebox-avatar {
@@ -29,6 +31,10 @@ $max_image_height: 150px;
       }
     }
 
+    .onebox-body .aspect-image {
+      max-width: 50%;
+    }
+
     @container (width < 400px) {
       .onebox-body {
         display: flex;