diff --git a/src/pretix/base/management/commands/runperiodic.py b/src/pretix/base/management/commands/runperiodic.py
index 398126298..cd07aad83 100644
--- a/src/pretix/base/management/commands/runperiodic.py
+++ b/src/pretix/base/management/commands/runperiodic.py
@@ -81,7 +81,7 @@ class Command(BaseCommand):
             try:
                 r = receiver(signal=periodic_task, sender=self)
             except Exception as err:
-                if isinstance(Exception, KeyboardInterrupt):
+                if isinstance(err, KeyboardInterrupt):
                     raise err
                 if settings.SENTRY_ENABLED:
                     from sentry_sdk import capture_exception