diff --git a/src/sentry/migrations/0507_slugify_invalid_monitors.py b/src/sentry/migrations/0507_slugify_invalid_monitors.py
index 157dc3f9ce6f74..8a4d1e5f92b473 100644
--- a/src/sentry/migrations/0507_slugify_invalid_monitors.py
+++ b/src/sentry/migrations/0507_slugify_invalid_monitors.py
@@ -20,8 +20,8 @@ def migrate_monitor_slugs(apps, schema_editor):
         if monitor_slug == slugified:
             continue
 
-        monitor.slug = slugified
         try:
+            monitor.slug = slugified
             monitor.save()
         except IntegrityError:
             # If there is a collision, delete the old monitor as the new one is receiving all check-ins