diff --git a/lms/static/sass/_discussion.scss b/lms/static/sass/_discussion.scss
index a9797e2b8f..ed45bfd71b 100644
--- a/lms/static/sass/_discussion.scss
+++ b/lms/static/sass/_discussion.scss
@@ -1854,7 +1854,7 @@ body.discussion {
   }
 
   .new-post-form {
-    margin-top: $baseline
+    margin-top: $baseline;
     @include clearfix;
   }