diff --git a/src/features/background-agent/notify-parent-session.ts b/src/features/background-agent/notify-parent-session.ts
index ea28f025f..da6a531e6 100644
--- a/src/features/background-agent/notify-parent-session.ts
+++ b/src/features/background-agent/notify-parent-session.ts
@@ -148,6 +148,7 @@ export async function notifyParentSession(args: {
         noReply: !allComplete,
         ...(agent !== undefined ? { agent } : {}),
         ...(model !== undefined ? { model } : {}),
+        ...(task.parentTools ? { tools: task.parentTools } : {}),
         parts: [{ type: "text", text: notification }],
       },
     })
diff --git a/src/features/background-agent/parent-session-notifier.ts b/src/features/background-agent/parent-session-notifier.ts
index 28fb3a376..a0b228fc7 100644
--- a/src/features/background-agent/parent-session-notifier.ts
+++ b/src/features/background-agent/parent-session-notifier.ts
@@ -71,6 +71,7 @@ export async function notifyParentSession(
         noReply: !allComplete,
         ...(agent !== undefined ? { agent } : {}),
         ...(model !== undefined ? { model } : {}),
+        ...(task.parentTools ? { tools: task.parentTools } : {}),
         parts: [{ type: "text", text: notification }],
       },
     })