diff --git a/src/node/hooks/express/apicalls.js b/src/node/hooks/express/apicalls.js
index 4482fd84..009a93d7 100644
--- a/src/node/hooks/express/apicalls.js
+++ b/src/node/hooks/express/apicalls.js
@@ -19,7 +19,7 @@ var apiCaller = function(req, res, fields) {
     apiLogger.info("RESPONSE, " + req.params.func + ", " + response);
 
     //is this a jsonp call, if yes, add the function call
-    if(req.query.jsonp && isVarName(response))
+    if(req.query.jsonp && isVarName(req.query.jsonp))
       response = req.query.jsonp + "(" + response + ")";
 
     res._____send(response);