diff --git a/src/sign-typed-data.test.ts b/src/sign-typed-data.test.ts
index 90a034b6..05ead7ff 100644
--- a/src/sign-typed-data.test.ts
+++ b/src/sign-typed-data.test.ts
@@ -4354,7 +4354,7 @@ describe('typedSignatureHash', function () {
           value: 'Hi, Alice!',
         },
       ],
-      errorMessage: "Cannot read",
+      errorMessage: 'Cannot read',
       label: 'no type',
     },
     {