diff --git a/src/instrumentation.node.ts b/src/instrumentation.node.ts
new file mode 100644
index 0000000..b4b076c
--- /dev/null
+++ b/src/instrumentation.node.ts
@@ -0,0 +1,5 @@
+import { startTaskScheduler } from '@/lib/server/tasks/scheduler';
+
+if (!process.env.VERCEL) {
+  startTaskScheduler();
+}
diff --git a/src/instrumentation.ts b/src/instrumentation.ts
index 9095fae..43739b6 100644
--- a/src/instrumentation.ts
+++ b/src/instrumentation.ts
@@ -4,9 +4,7 @@
  * nothing to keep a loop alive, so a cron route drives the ticks instead.
  */
 export async function register(): Promise<void> {
-  if (process.env.VERCEL) return;
-  if (process.env.NEXT_RUNTIME !== 'nodejs') return;
-
-  const { startTaskScheduler } = await import('@/lib/server/tasks/scheduler');
-  startTaskScheduler();
+  if (process.env.NEXT_RUNTIME === 'nodejs') {
+    await import('./instrumentation.node');
+  }
 }