diff --git a/x/crosschain/keeper/msg_server_refund_aborted_tx.go b/x/crosschain/keeper/msg_server_refund_aborted_tx.go
index 198e3a02c6..33b5160536 100644
--- a/x/crosschain/keeper/msg_server_refund_aborted_tx.go
+++ b/x/crosschain/keeper/msg_server_refund_aborted_tx.go
@@ -61,7 +61,7 @@ func (k msgServer) RefundAbortedCCTX(goCtx context.Context, msg *types.MsgRefund
 	// Check if aborted amount is available to maintain zeta accounting
 	// NOTE: Need to verify if this check works / is required in athens 3
 	if cctx.InboundTxParams.CoinType == common.CoinType_Zeta {
-		err := k.RemoveZetaAbortedAmount(ctx, cctx.GetCurrentOutTxParam().Amount)
+		err := k.RemoveZetaAbortedAmount(ctx, cctx.InboundTxParams.Amount)
 		if err != nil {
 			return nil, errorsmod.Wrap(types.ErrUnableProcessRefund, err.Error())
 		}
diff --git a/x/crosschain/keeper/refund.go b/x/crosschain/keeper/refund.go
index a45f75a2ab..e331d7acba 100644
--- a/x/crosschain/keeper/refund.go
+++ b/x/crosschain/keeper/refund.go
@@ -58,6 +58,11 @@ func (k Keeper) RefundAmountOnZetaChainGas(ctx sdk.Context, cctx types.CrossChai
 func (k Keeper) RefundAmountOnZetaChainZeta(ctx sdk.Context, cctx types.CrossChainTx, refundAddress ethcommon.Address) error {
 	// if coin type is Zeta, handle this as a deposit ZETA to zEVM.
 	// deposit the amount to the tx origin instead of receiver as this is a refund
+	chainID := cctx.InboundTxParams.SenderChainId
+	// check if chain is supported
+	if chain := k.zetaObserverKeeper.GetSupportedChainFromChainID(ctx, chainID); chain == nil {
+		return zetaObserverTypes.ErrSupportedChains
+	}
 	if cctx.InboundTxParams.Amount.IsNil() || cctx.InboundTxParams.Amount.IsZero() {
 		return errors.New("no amount to refund")
 	}