diff --git a/src/core.js b/src/core.js
index 1b3d91dbd..2b9481041 100644
--- a/src/core.js
+++ b/src/core.js
@@ -60,6 +60,7 @@ function getPdf(arg, callback) {
         calledErrorBack = true;
         params.error();
       }
+    }
   }
 
   xhr.onreadystatechange = function getPdfOnreadystatechange(e) {