diff --git a/public/src/client/topic/postTools.js b/public/src/client/topic/postTools.js
index c3e31103bd..bee2c15486 100644
--- a/public/src/client/topic/postTools.js
+++ b/public/src/client/topic/postTools.js
@@ -164,7 +164,7 @@ define('forum/topic/postTools', ['share', 'navigator', 'components', 'translator
 				tid: tid,
 				pid: getData(button, 'data-pid'),
 				topicName: topicName,
-				text: username + ' ' || ''
+				text: username ? username + ' ' : ''
 			});
 		}
 	}