diff --git a/src/features/background-agent/spawner.ts b/src/features/background-agent/spawner.ts
index 1ae9f078d..3c2fd7e73 100644
--- a/src/features/background-agent/spawner.ts
+++ b/src/features/background-agent/spawner.ts
@@ -21,8 +21,7 @@ export function isAgentNotFoundError(error: unknown): boolean {
           : String(error)
   return (
     message.includes("Agent not found") ||
-    message.includes("agent.name") ||
-    (message.includes("agent") && message.includes("undefined"))
+    message.includes("agent.name")
   )
 }