diff --git a/src/pretix/__init__.py b/src/pretix/__init__.py
index a3207ca50c..7e84c71b24 100644
--- a/src/pretix/__init__.py
+++ b/src/pretix/__init__.py
@@ -1 +1 @@
-__version__ = "3.17.0"
+__version__ = "3.17.1"
diff --git a/src/pretix/base/migrations/0179_auto_20210311_1653.py b/src/pretix/base/migrations/0179_auto_20210311_1653.py
index fd38ea2c86..3059b4d8cc 100644
--- a/src/pretix/base/migrations/0179_auto_20210311_1653.py
+++ b/src/pretix/base/migrations/0179_auto_20210311_1653.py
@@ -4,7 +4,7 @@ from django.db import migrations
 
 
 def clean_duplicates(apps, schema_editor):
-    while True:
+    for i in range(100):  # no infinite loops
         # Double subquery to avoid MySQL error 1093
         delete_options = """
             DELETE