minor

auth0 · Jan 4, 2016 · 46552e7 · 46552e7
1 parent 04a76d5
commit 46552e7
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/index.js b/index.js
@@ -61,7 +61,9 @@ JWT.sign = function(payload, secretOrPrivateKey, options, callback) {
       return typeof options[key] !== 'undefined';
     })[0];
 
-    console.warn('invalid "' + invalid_option + '" option for ' + (typeof payload) + ' payload');
+    if (invalid_option) {
+      console.warn('invalid "' + invalid_option + '" option for ' + (typeof payload) + ' payload');
+    }
   }