diff --git a/frigate/app.py b/frigate/app.py
index 059bc5ad7..79147d221 100644
--- a/frigate/app.py
+++ b/frigate/app.py
@@ -207,7 +207,7 @@ class FrigateApp:
         # NOTE: all db accessing processes need to be created before the db can be bound to the main process
         self.db = SqliteQueueDatabase(
             self.config.database.path, 
-            pragmas={'auto_vacuum', 'FULL'}, # Does not defragment database
+            pragmas={'auto_vacuum': 'FULL'}, # Does not defragment database
         )
         models = [Event, Recordings, Timeline]
         self.db.bind(models)