diff --git a/src/utils.ts b/src/utils.ts
index c817a72..1267d10 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -48,7 +48,7 @@ export async function recoverSignerAddress<T>(
   signature: Hex
 ): Promise<Hex> {
   return await recoverMessageAddress({
-    message: await deterministicKeccakHash(obj),
+    message: { raw: await deterministicKeccakHash(obj) },
     signature,
   });
 }