diff --git a/frigate/app.py b/frigate/app.py
index be9676f45..b857edf25 100644
--- a/frigate/app.py
+++ b/frigate/app.py
@@ -677,7 +677,7 @@ class FrigateApp:
             self.log_queue,
             self.inter_process_queue,
         ]:
-            while not queue.empty():
+            while queue and not queue.empty():
                 queue.get_nowait()
             queue.close()
             queue.join_thread()