diff --git a/lab/test-resource-guard.nix b/lab/test-resource-guard.nix
index 2453c7d..3c09eb7 100644
--- a/lab/test-resource-guard.nix
+++ b/lab/test-resource-guard.nix
@@ -181,7 +181,7 @@ in
 
     # Stop agent gracefully
     print("Stopping agent gracefully...")
-    client.succeed("systemctl stop lightscale-agent.service")
+    client.succeed("systemctl stop lightscale-agent-2.service")
     time.sleep(2)
 
     # Verify ls-guard is cleaned up but wg0 remains