diff --git a/provider/src/response.rs b/provider/src/response.rs
index 71d2bbc3..57d3e18e 100644
--- a/provider/src/response.rs
+++ b/provider/src/response.rs
@@ -290,6 +290,7 @@ pub struct EthPropertyResp {
 #[serde(rename_all = "camelCase")]
 pub struct GateWayInfo {
     pub chain_id: ChainId,
+    pub l1_gateway_chain_id: u64,
     pub l1_gateway_contract: ZkLinkAddress,
     pub l2_gateway_contract: ZkLinkAddress,
     pub tokens: Vec<TokenInfo>,
@@ -313,6 +314,7 @@ mod test {
 	"gateways": [
 		{
 			"chainId": 5,
+			"l1GatewayChainId": 43113,
 			"l1GatewayContract": "0xffffffffffffffffffffffffffffffffffffffff",
 			"l2GatewayContract": "0xffffffffffffffffffffffffffffffffffffffff",
 			"tokens": [
@@ -330,6 +332,7 @@ mod test {
 		},
 		{
 			"chainId": 7,
+			"l1GatewayChainId": 1,
 			"l1GatewayContract": "0xffffffffffffffffffffffffffffffffffffffff",
 			"l2GatewayContract": "0xffffffffffffffffffffffffffffffffffffffff",
 			"tokens": [