diff --git a/src/lens.spec.ts b/src/lens.spec.ts
index 0a43273..1cf3482 100644
--- a/src/lens.spec.ts
+++ b/src/lens.spec.ts
@@ -22,6 +22,7 @@ describe("with deep lens and object", () => {
         b: {
           c: "d1",
         },
+      },
     });
 
     expect(testObj).toEqual({