diff --git a/src/backend/models/filters.py b/src/backend/models/filters.py
index acb00798..16bb312e 100644
--- a/src/backend/models/filters.py
+++ b/src/backend/models/filters.py
@@ -123,11 +123,17 @@ class FieldStringFilter(ModelFilter):
     all lowercase, sensitive otherwise.
     """
 
-    def __init__(self, sync_id: SyncId, fields: Collection[str]) -> None:
-        self.fields:  Collection[str] = fields
-        self._filter: str             = ""
+    def __init__(
+        self,
+        sync_id:                    SyncId,
+        fields:                     Collection[str],
+        no_filter_accept_all_items: bool = True,
+    ) -> None:
+
+        self.fields                     = fields
+        self.no_filter_accept_all_items = no_filter_accept_all_items
+        self._filter: str               = ""
 
-        self.no_filter_accept_all_items: bool = True
 
         super().__init__(sync_id)
 
diff --git a/src/backend/models/special_models.py b/src/backend/models/special_models.py
index 6b44916b..072ce18e 100644
--- a/src/backend/models/special_models.py
+++ b/src/backend/models/special_models.py
@@ -125,8 +125,11 @@ class AutoCompletedMembers(FieldStringFilter):
         self.room_id = room_id
         sync_id      = (user_id, room_id, "autocompleted_members")
 
-        super().__init__(sync_id=sync_id, fields=("display_name", "id"))
-        self.no_filter_accept_all_items = False
+        super().__init__(
+            sync_id                    = sync_id,
+            fields                     = ("display_name", "id"),
+            no_filter_accept_all_items = False,
+        )
 
 
     def accept_source(self, source: Model) -> bool: