diff --git a/ts/npmextra.classes.keyvaluestore.ts b/ts/npmextra.classes.keyvaluestore.ts
index ba68213..6d3d517 100644
--- a/ts/npmextra.classes.keyvaluestore.ts
+++ b/ts/npmextra.classes.keyvaluestore.ts
@@ -95,7 +95,7 @@ export class KeyValueStore {
   /**
    * updates a value
    */
-  public async update(keyObject) {};
+  public async update(keyObject) {}
 
   /**
    * computes the identity