diff --git a/lib/index.js b/lib/index.js
index ad899ca..18ee171 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -216,14 +216,18 @@
           }
 
           if (originCallback) {
-            originCallback(req.headers.origin, function (err2, origin) {
-              if (err2 || !origin) {
-                next(err2);
-              } else {
-                corsOptions.origin = origin;
-                cors(corsOptions, req, res, next);
-              }
-            });
+            originCallback(
+              req.headers.origin, 
+              function (err2, origin) {
+                if (err2 || !origin) {
+                  next(err2);
+                } else {
+                  corsOptions.origin = origin;
+                  cors(corsOptions, req, res, next);
+                }
+              },
+              req.path
+            );
           } else {
             next();
           }