diff --git a/websockify/websocket.py b/websockify/websocket.py
index 176c8df..3dea236 100644
--- a/websockify/websocket.py
+++ b/websockify/websocket.py
@@ -845,7 +845,8 @@ class WebSocketServer(object):
                     pid = err = 0
                     child_count = 0
 
-                    if multiprocessing and self.idle_timeout:
+                    if multiprocessing:
+                        # Collect zombie child processes
                         child_count = len(multiprocessing.active_children())
 
                     time_elapsed = time.time() - self.launch_time