diff --git a/zetaclient/chains/evm/observer/outbound.go b/zetaclient/chains/evm/observer/outbound.go
index a6e6b0a500..09340c9444 100644
--- a/zetaclient/chains/evm/observer/outbound.go
+++ b/zetaclient/chains/evm/observer/outbound.go
@@ -121,7 +121,7 @@ func (ob *Observer) postVoteOutbound(
 
 	const gasLimit = zetacore.PostVoteOutboundGasLimit
 
-	var retryGasLimit uint64
+	retryGasLimit := zetacore.PostVoteOutboundRetryGasLimit
 	if msg.Status == chains.ReceiveStatus_failed {
 		retryGasLimit = zetacore.PostVoteOutboundRevertGasLimit
 	}
diff --git a/zetaclient/chains/solana/observer/outbound.go b/zetaclient/chains/solana/observer/outbound.go
index 61060e5a58..8b037feb5b 100644
--- a/zetaclient/chains/solana/observer/outbound.go
+++ b/zetaclient/chains/solana/observer/outbound.go
@@ -151,7 +151,7 @@ func (ob *Observer) PostVoteOutbound(
 		gasLimit = zetacore.PostVoteOutboundGasLimit
 	)
 
-	var retryGasLimit uint64
+	retryGasLimit := zetacore.PostVoteOutboundRetryGasLimit
 	if msg.Status == chains.ReceiveStatus_failed {
 		retryGasLimit = zetacore.PostVoteOutboundRevertGasLimit
 	}
diff --git a/zetaclient/chains/sui/observer/outbound.go b/zetaclient/chains/sui/observer/outbound.go
index 5d53d452e3..331c775f03 100644
--- a/zetaclient/chains/sui/observer/outbound.go
+++ b/zetaclient/chains/sui/observer/outbound.go
@@ -232,7 +232,7 @@ func (ob *Observer) validateOutbound(cctx *cctypes.CrossChainTx, tx models.SuiTr
 func (ob *Observer) postVoteOutbound(ctx context.Context, msg *cctypes.MsgVoteOutbound) error {
 	const gasLimit = zetacore.PostVoteOutboundGasLimit
 
-	retryGasLimit := uint64(0)
+	retryGasLimit := zetacore.PostVoteOutboundRetryGasLimit
 	if msg.Status == chains.ReceiveStatus_failed {
 		retryGasLimit = zetacore.PostVoteOutboundRevertGasLimit
 	}
diff --git a/zetaclient/chains/ton/observer/outbound.go b/zetaclient/chains/ton/observer/outbound.go
index 8887e3d205..90b98eb0a8 100644
--- a/zetaclient/chains/ton/observer/outbound.go
+++ b/zetaclient/chains/ton/observer/outbound.go
@@ -252,7 +252,7 @@ func (ob *Observer) postVoteOutbound(
 
 	const gasLimit = zetacore.PostVoteOutboundGasLimit
 
-	var retryGasLimit uint64
+	retryGasLimit := zetacore.PostVoteOutboundRetryGasLimit
 	if msg.Status == chains.ReceiveStatus_failed {
 		retryGasLimit = zetacore.PostVoteOutboundRevertGasLimit
 	}
diff --git a/zetaclient/zetacore/constant.go b/zetaclient/zetacore/constant.go
index ceeba2df32..fb33c3bba1 100644
--- a/zetaclient/zetacore/constant.go
+++ b/zetaclient/zetacore/constant.go
@@ -39,6 +39,9 @@ const (
 	// PostVoteOutboundRevertGasLimit is the gas limit for voting on observed outbound tx for revert (when outbound fails)
 	// The value is set to 7M because in case of onRevert call, it might consume lot of gas
 	PostVoteOutboundRevertGasLimit = 7_000_000
+
+	// PostVoteOutboundRevertGasLimit is the retry gas limit for voting on observed outbound tx for success outbound
+	PostVoteOutboundRetryGasLimit uint64 = 1_000_000
 )
 
 // constants for monitoring tx results