diff --git a/service/src/daemon.rs b/service/src/daemon.rs
index 3170f41cab9..c858e05ceb8 100644
--- a/service/src/daemon.rs
+++ b/service/src/daemon.rs
@@ -422,13 +422,16 @@ impl DaemonController {
         self.fs_service.lock().unwrap().clone()
     }
 
-    /// Shutdown all services managed by the controller.
-    pub fn shutdown(&self) {
+    /// Notify controller shutdown
+    pub fn notify_shutdown(&self) {
         // Marking exiting state.
         self.active.store(false, Ordering::Release);
         // Signal the `run_loop()` working thread to exit.
         let _ = self.waker.wake();
+    }
 
+    /// Shutdown all services managed by the controller.
+    pub fn shutdown(&self) {
         let daemon = self.daemon.lock().unwrap().take();
         if let Some(d) = daemon {
             if let Err(e) = d.trigger_stop() {
diff --git a/src/bin/nydusd/main.rs b/src/bin/nydusd/main.rs
index e06693e7a55..fc5e4b7a6b8 100644
--- a/src/bin/nydusd/main.rs
+++ b/src/bin/nydusd/main.rs
@@ -720,7 +720,7 @@ mod nbd {
 }
 
 extern "C" fn sig_exit(_sig: std::os::raw::c_int) {
-    DAEMON_CONTROLLER.shutdown();
+    DAEMON_CONTROLLER.notify_shutdown();
 }
 
 fn main() -> Result<()> {