diff --git a/js/client/modules/org/arangodb/arango-collection.js b/js/client/modules/org/arangodb/arango-collection.js
index e66415b978..f31d76db33 100644
--- a/js/client/modules/org/arangodb/arango-collection.js
+++ b/js/client/modules/org/arangodb/arango-collection.js
@@ -1391,7 +1391,7 @@ ArangoCollection.prototype.updateByExample = function (example,
       collection: this._name,
       example: example, 
       newValue: newValue,
-      options: optionoptions
+      options: options
     };
   }