diff --git a/src/core/admin.py b/src/core/admin.py
index 41eac566eb8ff39d948ae529f13518f837d98c6d..53d7b59b8add694d25d18e50e932e9b72f8fc178 100644
--- a/src/core/admin.py
+++ b/src/core/admin.py
@@ -700,7 +700,7 @@ class EventAdmin(admin.ModelAdmin):
         return super().formfield_for_foreignkey(db_field, request, **kwargs)
 
     def get_fieldsets(self, request, obj=None, **kwargs):
-        if obj is None and "_saveasnew" not in request.POST:
+        if obj is None and '_saveasnew' not in request.POST:
             return [
                 (
                     'Organisation',