diff --git a/src/groups/membership.js b/src/groups/membership.js
index 8a769b71df..46dd756607 100644
--- a/src/groups/membership.js
+++ b/src/groups/membership.js
@@ -44,7 +44,7 @@ module.exports = function(Groups) {
 
 		callback = callback || function() {};
 
-		if (!groupName || !parseInt(uid, 10)) {
+		if (!groupName) {
 			return callback(new Error('[[error:invalid-data]]'));
 		}