diff --git a/src/lib/cashfree.ts b/src/lib/cashfree.ts
index dec827d..7e64da7 100644
--- a/src/lib/cashfree.ts
+++ b/src/lib/cashfree.ts
@@ -101,7 +101,7 @@ export function verifyWebhookSignature(
     timestamp: string,
     secret?: string
 ): boolean {
-    const webhookSecret = secret || process.env.CASHFREE_WEBHOOK_SECRET;
+    const webhookSecret = secret || process.env.CASHFREE_SECRET_KEY;
 
     if (!webhookSecret || !timestamp) {
         return false;