diff --git a/src/onegov/org/views/people.py b/src/onegov/org/views/people.py
index 217ca63a65..3e16aaa46d 100644
--- a/src/onegov/org/views/people.py
+++ b/src/onegov/org/views/people.py
@@ -34,7 +34,7 @@ def view_people(
     orgs = (PersonCollection(request.session)
             .unique_organisations())
     sub_orgs = (PersonCollection(request.session)
-                .unique_sub_organisations(str(selected_org)))
+                .unique_sub_organisations(selected_org))
 
     class AtoZPeople(AtoZ[Person]):
 
diff --git a/src/onegov/people/collections/people.py b/src/onegov/people/collections/people.py
index 4465a6db24..bd99c0e3ec 100644
--- a/src/onegov/people/collections/people.py
+++ b/src/onegov/people/collections/people.py
@@ -5,7 +5,6 @@
 from typing import Any
 from typing import TypeVar
 from typing import TYPE_CHECKING
-
 if TYPE_CHECKING:
     from uuid import UUID
 
@@ -19,10 +18,10 @@ def model_class(self) -> type[PersonT]:
         raise NotImplementedError()
 
     def add(  # type:ignore[override]
-            self,
-            first_name: str,
-            last_name: str,
-            **optional: Any
+        self,
+        first_name: str,
+        last_name: str,
+        **optional: Any
     ) -> PersonT:
         person = self.model_class(
             first_name=first_name,