diff --git a/api/src/config.ts b/api/src/config.ts
index fe1ff27c..590dddc8 100644
--- a/api/src/config.ts
+++ b/api/src/config.ts
@@ -22,7 +22,7 @@ export const KMS_CREDENTIALS = {
     'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx', // KMS key id (arn)
 };
 export const TOKEN_SENDER_AMOUNT =
-  process.env.TOKEN_SENDER_AMOUNT || ethers.parseEther('1');
+  process.env.PROTOCOL_API_TOKEN_SENDER_AMOUNT || ethers.parseEther('1');
 
 // CORS whitelist
 const allowedOriginsStr = process.env.PROTOCOL_API_CORS_WHITELIST || '';
@@ -62,4 +62,4 @@ export const addressL2GatewayRouter = '9fDD1C4E4AA24EEc1d913FABea925594a20d43C7'
 export const addressL1GatewayRouter = 'cE18836b233C83325Cc8848CA4487e94C6288264' // Ethereum deposit address
 export const addressOutBox = '64105c6C3D494469D5F21323F0E917563489d9f5' // Arbitrum outbox address
 export const addressArbOSL2 = '0000000000000000000000000000000000000064' // Game7 ArbOS L2 address
-export const addressL1Inbox = 'aAe29B0366299461418F5324a79Afc425BE5ae21' // Ethereum inbox address
\ No newline at end of file
+export const addressL1Inbox = 'aAe29B0366299461418F5324a79Afc425BE5ae21' // Ethereum inbox address