diff --git a/core/passport.js b/core/passport.js
index c90a7f7..e9af671 100644
--- a/core/passport.js
+++ b/core/passport.js
@@ -124,7 +124,7 @@ passport.use("api-key",
     const result = securityHelper.verify(token);
     if (result) {
       console.log('Valid API KEY');
-      return done(null, undefined, { message: "Valid API KEY" });
+      return done(null, null, { message: "Valid API KEY" });
     } else {
       //console.log('Token no válido');
       console.error("Unauthorized. Invalid token.");