diff --git a/src/app.py b/src/app.py
index 65d664e05b44de3015740dbd57dc34403ddc7823..18e3042ede5e5dd86f0e659c5e8213da9bbe443f 100644
--- a/src/app.py
+++ b/src/app.py
@@ -82,7 +82,8 @@ def shutdown():
     """
     Called when the application shuts down.
     """
-    sync_job.exit()
+    if sync_job:
+        sync_job.exit()
 
 
 with app.app_context():