common/static/common/styles/studio/_comments.sass

@@ -4,6 +4,11 @@
     overflow: hidden
     width: calc(var(--spacer) * 2)
 
+.profile-avatar-helper
+  height: calc(var(--spacer) * 2)
+  overflow: hidden
+  width: calc(var(--spacer) * 2)
+
 // TODO: cleanup and refactor component markup and style
 .comment
   display: flex

users/templates/users/components/avatar.html

@@ -4,7 +4,7 @@
   {% static 'common/images/blank-profile-pic.png' as default_avatar_url %}
   {% firstof user.image_url default_avatar_url as avatar_url %}
 
-  <div class="profile-avatar avatar-{% firstof size size 'md' %}">
+  <div class="profile-avatar profile-avatar-helper avatar-{% firstof size size 'md' %}">
     <img src="{{ avatar_url }}" alt="{{ user.full_name }}" title="{{ user.full_name }}">
   </div>
 {% endif %}