diff --git a/integration_test/resign_integration_test.go b/integration_test/resign_integration_test.go
index c2052c6b..5897ac31 100644
--- a/integration_test/resign_integration_test.go
+++ b/integration_test/resign_integration_test.go
@@ -186,3 +186,72 @@ func TestInitResignHappyFlows(t *testing.T) {
 		srv.HttpSrv.Close()
 	}
 }
+
+func TestInitResignChangeOwnerHappyFlows(t *testing.T) {
+	err := logging.SetGlobalLogger("info", "capital", "console", nil)
+	require.NoError(t, err)
+	logger := zap.L().Named("integration-tests")
+	version := "test.version"
+	stubClient := &stubs.Client{
+		CallContractF: func(call ethereum.CallMsg) ([]byte, error) {
+			return nil, nil
+		},
+	}
+	servers, ops := createOperators(t, version, stubClient)
+	clnt, err := initiator.New(ops, logger, version, rootCert, false)
+	require.NoError(t, err)
+	withdraw := newEthAddress(t)
+	sk, err := eth_crypto.GenerateKey()
+	require.NoError(t, err)
+	owner := eth_crypto.PubkeyToAddress(sk.PublicKey)
+	skNewOwner, err := eth_crypto.GenerateKey()
+	require.NoError(t, err)
+	newOwner := eth_crypto.PubkeyToAddress(skNewOwner.PublicKey)
+	t.Run("test 4 operators resign happy flow", func(t *testing.T) {
+		id := spec.NewID()
+		depositData, ks, proofs, err := clnt.StartDKG(id, withdraw.Bytes(), []uint64{11, 22, 33, 44}, "holesky", owner, 0, uint64(spec_crypto.MIN_ACTIVATION_BALANCE))
+		require.NoError(t, err)
+		err = validator.ValidateResults([]*wire.DepositDataCLI{depositData}, ks, [][]*wire.SignedProof{proofs}, 1, owner, 0, withdraw)
+		require.NoError(t, err)
+		// re-sign
+		id = spec.NewID()
+		require.NoError(t, err)
+		signedProofs := []*spec.SignedProof{}
+		for _, p := range proofs {
+			signedProofs = append(signedProofs, &spec.SignedProof{
+				Proof: &spec.Proof{
+					ValidatorPubKey: p.Proof.ValidatorPubKey,
+					EncryptedShare:  p.Proof.EncryptedShare,
+					SharePubKey:     p.Proof.SharePubKey,
+					Owner:           p.Proof.Owner,
+				},
+				Signature: p.Signature,
+			})
+		}
+		rMsg, err := clnt.ConstructResignMessage(
+			[]uint64{11, 22, 33, 44},
+			signedProofs[0].Proof.ValidatorPubKey,
+			"mainnet",
+			withdraw.Bytes(),
+			newOwner,
+			10,
+			uint64(spec_crypto.MIN_ACTIVATION_BALANCE),
+			signedProofs,
+		)
+		require.NoError(t, err)
+		rMsgs := []*wire.ResignMessage{rMsg}
+		siganture, err := SignResign(rMsgs, sk)
+		require.NoError(t, err)
+		signatureBytes, err := hex.DecodeString(siganture)
+		require.NoError(t, err)
+		signedResign := wire.SignedResign{Messages: rMsgs, Signature: signatureBytes}
+		depositDataArr, ksArr, proofsArr, err := clnt.StartResigning(id, &signedResign)
+		require.NoError(t, err)
+		err = validator.ValidateResults(depositDataArr, ksArr[0], proofsArr, 1, newOwner, 10, withdraw)
+		require.NoError(t, err)
+	})
+
+	for _, srv := range servers {
+		srv.HttpSrv.Close()
+	}
+}
diff --git a/pkgs/operator/instances_manager.go b/pkgs/operator/instances_manager.go
index ee08cf1e..d4eca895 100644
--- a/pkgs/operator/instances_manager.go
+++ b/pkgs/operator/instances_manager.go
@@ -183,7 +183,7 @@ func (s *Switch) HandleInstanceOperation(reqID [24]byte, transportMsg *wire.Tran
 		}
 		if err := spec_crypto.VerifySignedMessageByOwner(
 			s.EthClient,
-			getOwner(signedResign.Messages[0]),
+			signedResign.Messages[0].Proofs[0].Proof.Owner,
 			hash,
 			signedResign.Signature,
 		); err != nil {
@@ -234,7 +234,7 @@ func (s *Switch) HandleInstanceOperation(reqID [24]byte, transportMsg *wire.Tran
 		}
 		if err := spec_crypto.VerifySignedMessageByOwner(
 			s.EthClient,
-			getOwner(signedReshare.Messages[0]),
+			signedReshare.Messages[0].Proofs[0].Proof.Owner,
 			hash,
 			signedReshare.Signature,
 		); err != nil {
@@ -261,17 +261,6 @@ func (s *Switch) HandleInstanceOperation(reqID [24]byte, transportMsg *wire.Tran
 }
 
 // Helper functions to abstract out common behavior
-func getOwner(message interface{}) [20]byte {
-	var owner [20]byte
-	switch msg := message.(type) {
-	case *wire.ResignMessage:
-		copy(owner[:], msg.Resign.Owner[:])
-	case *wire.ReshareMessage:
-		copy(owner[:], msg.Reshare.Owner[:])
-	}
-	return owner
-}
-
 func (s *Switch) validateInstances(reqID InstanceID) error {
 	s.Mtx.Lock()
 	l := len(s.Instances)