diff --git a/app/assets/stylesheets/mobile/topic-post.scss b/app/assets/stylesheets/mobile/topic-post.scss
index ddcb550fd76..5ae0203048e 100644
--- a/app/assets/stylesheets/mobile/topic-post.scss
+++ b/app/assets/stylesheets/mobile/topic-post.scss
@@ -211,7 +211,7 @@ a.star {
   }
 
   .domain {
-    scale-color($primary, $lightness: 90%);
+    color: scale-color($primary, $lightness: 90%);
   }
 
   .topic-links {