diff --git a/packages/docs/cookbook/testing.md b/packages/docs/cookbook/testing.md
index b7bc381a54..e60810b176 100644
--- a/packages/docs/cookbook/testing.md
+++ b/packages/docs/cookbook/testing.md
@@ -191,7 +191,7 @@ function mockedStore<TStoreDef extends () => unknown>(
           ...args: infer Args
         ) => infer ReturnT
           ? // 👇 depends on your testing framework
-            Mock<Args, ReturnT>
+            Mock<(args: Args) => ReturnT>
           : Actions[K]
       }
     > & {