diff --git a/static/js/dss/apps/mix/views/mixDetailView.coffee b/static/js/dss/apps/mix/views/mixDetailView.coffee
index 08689fc..b31e656 100644
--- a/static/js/dss/apps/mix/views/mixDetailView.coffee
+++ b/static/js/dss/apps/mix/views/mixDetailView.coffee
@@ -42,6 +42,7 @@
         checkCommentKeypress: (e) ->
             if e.which is 13
                 @addComment()
+                e.preventDefault()
 
         addComment: ->
             activeTab = $("ul#mix-tab li.active", @el)