diff --git a/packages/cosmwasm-stargate/src/queries/wasm.spec.ts b/packages/cosmwasm-stargate/src/queries/wasm.spec.ts
index 84f42fc7..c96ff4cb 100644
--- a/packages/cosmwasm-stargate/src/queries/wasm.spec.ts
+++ b/packages/cosmwasm-stargate/src/queries/wasm.spec.ts
@@ -418,10 +418,7 @@ describe("WasmExtension", () => {
         const msgData = fromOneElementArray(result.data);
         expect(msgData.msgType).toEqual("instantiate");
         const response = MsgInstantiateContractResponse.decode(msgData.data);
-        expect({
-          ...response,
-          data: new Uint8Array(), // workaround for https://github.com/stephenh/ts-proto/issues/237
-        }).toEqual(MsgInstantiateContractResponse.fromPartial({ address: contractAddress }));
+        expect(response).toEqual(MsgInstantiateContractResponse.fromPartial({ address: contractAddress }));
 
         const balanceUcosm = await client.bank.balance(contractAddress, "ucosm");
         expect(balanceUcosm).toEqual(transferAmount[0]);