diff --git a/src/topics/fork.js b/src/topics/fork.js
index 0a50cbb6c7..d5670bfb9a 100644
--- a/src/topics/fork.js
+++ b/src/topics/fork.js
@@ -117,7 +117,7 @@ module.exports = function(Topics) {
 				return callback(err);
 			}
 			plugins.fireHook('action:post.move', {post: postData, tid: tid});
-			callback(null);
+			callback();
 		});
 	};
 };