diff --git a/src/pages/build/tutorials/deploying-a-smart-contract/foundry.mdx b/src/pages/build/tutorials/deploying-a-smart-contract/foundry.mdx
index da4ea397..0f2cd83e 100644
--- a/src/pages/build/tutorials/deploying-a-smart-contract/foundry.mdx
+++ b/src/pages/build/tutorials/deploying-a-smart-contract/foundry.mdx
@@ -178,7 +178,7 @@ optimizer = true
 optimizer_runs = 200
 
 [rpc_endpoints]
-inksepolia = "${INKSEPOLIA_RPC_URL}"
+inksepolia = "${RPC_URL}"
 ```
 
 ## Next Steps