diff --git a/lib/cartodb/backends/user-limits.js b/lib/cartodb/backends/user-limits.js
index 87587f37..2dc70470 100644
--- a/lib/cartodb/backends/user-limits.js
+++ b/lib/cartodb/backends/user-limits.js
@@ -49,7 +49,7 @@ UserLimitsBackend.prototype.getTimeoutRenderLimit = function (username, apiKey,
                 return callback(err);
             }
 
-            callback(
+            return callback(
                 null,
                 { render: authorized ? timeoutRenderLimit.render : timeoutRenderLimit.renderPublic }
             );