diff --git a/vendor/assets/javascripts/jquery.mentionsInput.js b/vendor/assets/javascripts/jquery.mentionsInput.js
index 40efd9db0..6fcfa40be 100644
--- a/vendor/assets/javascripts/jquery.mentionsInput.js
+++ b/vendor/assets/javascripts/jquery.mentionsInput.js
@@ -170,7 +170,7 @@
       hideAutoComplete();
 
       // Mentions & syntax message
-      var updatedMessageText = start + mention.value + ' ' + end;
+      var updatedMessageText = start + mention.value + end;
       elmInputBox.val(updatedMessageText);
       updateValues();