diff --git a/lib/server/controllers/apiController.js b/lib/server/controllers/apiController.js
index fd4da75..4ab4142 100644
--- a/lib/server/controllers/apiController.js
+++ b/lib/server/controllers/apiController.js
@@ -23,7 +23,7 @@ var ApiController = function(app) {
             runId: (Date.now()*1000 + Math.round(Math.random()*1000)).toString(36),
             params: {
                 url: req.body.url,
-                waitForResponse: req.body.waitForResponse !== false,
+                waitForResponse: req.body.waitForResponse !== false && req.body.waitForResponse !== 'false' && req.body.waitForResponse !== 0,
                 partialResult: req.body.partialResult || null
             }
         };