diff --git a/nemubot/__main__.py b/nemubot/__main__.py
index 64e4c74..5a236f4 100644
--- a/nemubot/__main__.py
+++ b/nemubot/__main__.py
@@ -191,6 +191,8 @@ def main():
 
     # Wait for consumers
     logger.info("Waiting for other threads shuts down...")
+    if args.debug:
+        sigusr1handler(0, None)
     sys.exit(0)
 
 if __name__ == "__main__":