diff --git a/lib/adapters/mysql.js b/lib/adapters/mysql.js
index 14766aab..c78d9428 100644
--- a/lib/adapters/mysql.js
+++ b/lib/adapters/mysql.js
@@ -261,7 +261,7 @@ MySQL.prototype.all = function all(model, filter, callback) {
                         sqlCond += ' NOT IN ';
                         break;
                     case 'neq':
-                        sqlCond + ' != ';
+                        sqlCond += ' != ';
                         break;
                 }
                 sqlCond += (condType == 'inq' || condType == 'nin') ? '(' + val + ')' : val;