diff --git a/app/assets/stylesheets/zammad.scss b/app/assets/stylesheets/zammad.scss
index 8f149ebc7..169cf5300 100644
--- a/app/assets/stylesheets/zammad.scss
+++ b/app/assets/stylesheets/zammad.scss
@@ -1247,8 +1247,13 @@ th.align-right {
   }
 
   .avatar {
+    opacity: 0.5;
+  }
+
+  .avatar--unique {
     background: hsl(120,1%,86%);
     text-shadow: none;
+    opacity: initial;
   }
 }