diff --git a/extensions/discord/src/subagent-hooks.test.ts b/extensions/discord/src/subagent-hooks.test.ts
index 672705d36fa..1331d775fce 100644
--- a/extensions/discord/src/subagent-hooks.test.ts
+++ b/extensions/discord/src/subagent-hooks.test.ts
@@ -193,6 +193,15 @@ describe("discord subagent hook handlers", () => {
 
     expect(hookMocks.autoBindSpawnedDiscordSubagent).toHaveBeenCalledTimes(1);
     expect(hookMocks.autoBindSpawnedDiscordSubagent).toHaveBeenCalledWith({
+      cfg: expect.objectContaining({
+        channels: expect.objectContaining({
+          discord: expect.objectContaining({
+            threadBindings: expect.objectContaining({
+              spawnSubagentSessions: true,
+            }),
+          }),
+        }),
+      }),
       accountId: "work",
       channel: "discord",
       to: "channel:123",
diff --git a/extensions/discord/src/subagent-hooks.ts b/extensions/discord/src/subagent-hooks.ts
index 00c4ef93d8a..d531939ad78 100644
--- a/extensions/discord/src/subagent-hooks.ts
+++ b/extensions/discord/src/subagent-hooks.ts
@@ -126,6 +126,7 @@ export async function handleDiscordSubagentSpawning(
   try {
     const agentId = event.agentId?.trim() || "subagent";
     const binding = await autoBindSpawnedDiscordSubagent({
+      cfg: api.config,
       accountId: event.requester?.accountId,
       channel: event.requester?.channel,
       to: event.requester?.to,