diff --git a/src/validator/ECDSAValidator.sol b/src/validator/ECDSAValidator.sol
index d4d9110c..1d465650 100644
--- a/src/validator/ECDSAValidator.sol
+++ b/src/validator/ECDSAValidator.sol
@@ -47,6 +47,14 @@ contract ECDSAValidator is IKernelValidator {
 
     function validateSignature(bytes32 hash, bytes calldata signature) public view override returns (uint256) {
         address owner = ecdsaValidatorStorage[msg.sender].owner;
-        return owner == ECDSA.recover(hash, signature) ? 0 : 1;
+        if( owner == ECDSA.recover(hash, signature) ) {
+            return 0;
+        }
+        bytes32 ethHash = ECDSA.toEthSignedMessageHash(hash);
+        address recovered = ECDSA.recover(ethHash, signature);
+        if (owner != recovered) {
+            return SIG_VALIDATION_FAILED;
+        }
+        return 0;
     }
 }
diff --git a/test/foundry/Kernel.test.sol b/test/foundry/Kernel.test.sol
index 4ab6b887..4e66d03f 100644
--- a/test/foundry/Kernel.test.sol
+++ b/test/foundry/Kernel.test.sol
@@ -63,9 +63,10 @@ contract KernelTest is Test {
     }
 
     function test_validate_signature() external {
+        Kernel kernel2 = Kernel(payable(address(ecdsaFactory.createAccount(owner, 1))));
         bytes32 hash = keccak256(abi.encodePacked("hello world"));
         (uint8 v, bytes32 r, bytes32 s) = vm.sign(ownerKey, hash);
-        assertEq(kernel.isValidSignature(hash, abi.encodePacked(r, s, v)), Kernel.isValidSignature.selector);
+        assertEq(kernel2.isValidSignature(hash, abi.encodePacked(r, s, v)), Kernel.isValidSignature.selector);
     }
 
     function test_set_default_validator() external {