diff --git a/src/features/background-agent/manager.test.ts b/src/features/background-agent/manager.test.ts
index bef56a647..44b4c0859 100644
--- a/src/features/background-agent/manager.test.ts
+++ b/src/features/background-agent/manager.test.ts
@@ -3027,10 +3027,10 @@ describe("BackgroundManager.checkAndInterruptStaleTasks", () => {
       prompt: "Test",
       agent: "test-agent",
       status: "running",
-      startedAt: new Date(Date.now() - 25 * 60 * 1000),
+      startedAt: new Date(Date.now() - 50 * 60 * 1000),
       progress: {
         toolCalls: 1,
-        lastUpdate: new Date(Date.now() - 21 * 60 * 1000),
+        lastUpdate: new Date(Date.now() - 46 * 60 * 1000),
       },
     }
 
diff --git a/src/features/background-agent/task-poller.test.ts b/src/features/background-agent/task-poller.test.ts
index 7895dfe09..a39a51b40 100644
--- a/src/features/background-agent/task-poller.test.ts
+++ b/src/features/background-agent/task-poller.test.ts
@@ -117,13 +117,13 @@ describe("checkAndInterruptStaleTasks", () => {
   })
 
   it("should use DEFAULT_MESSAGE_STALENESS_TIMEOUT_MS when messageStalenessTimeoutMs is not configured", async () => {
-    //#given — task started 35 minutes ago, no config for messageStalenessTimeoutMs
+    //#given — task started 65 minutes ago, no config for messageStalenessTimeoutMs
     const task = createRunningTask({
-      startedAt: new Date(Date.now() - 35 * 60 * 1000),
+      startedAt: new Date(Date.now() - 65 * 60 * 1000),
       progress: undefined,
     })
 
-    //#when — default is 30 minutes (1_800_000ms)
+    //#when — default is 60 minutes (3_600_000ms)
     await checkAndInterruptStaleTasks({
       tasks: [task],
       client: mockClient as never,