diff --git a/pylib/anki/decks.py b/pylib/anki/decks.py
index a62fb83cd..f76f1cb56 100644
--- a/pylib/anki/decks.py
+++ b/pylib/anki/decks.py
@@ -126,7 +126,7 @@ class DeckManager:
             # child of an existing deck then it needs to be renamed
             deck = self.get(did)
             if "::" in deck["name"]:
-                base = self._basename(deck["name"])
+                base = self.basename(deck["name"])
                 suffix = ""
                 while True:
                     # find an unused name
@@ -261,14 +261,14 @@ class DeckManager:
 
         if ontoDeckDid is None or ontoDeckDid == "":
             if len(self.path(draggedDeckName)) > 1:
-                self.rename(draggedDeck, self._basename(draggedDeckName))
+                self.rename(draggedDeck, self.basename(draggedDeckName))
         elif self._canDragAndDrop(draggedDeckName, ontoDeckName):
             draggedDeck = self.get(draggedDeckDid)
             draggedDeckName = draggedDeck["name"]
             ontoDeckName = self.get(ontoDeckDid)["name"]
             assert ontoDeckName.strip()
             self.rename(
-                draggedDeck, ontoDeckName + "::" + self._basename(draggedDeckName)
+                draggedDeck, ontoDeckName + "::" + self.basename(draggedDeckName)
             )
 
     def _canDragAndDrop(self, draggedDeckName: str, ontoDeckName: str) -> bool:
@@ -283,7 +283,7 @@ class DeckManager:
 
     def _isParent(self, parentDeckName: str, childDeckName: str) -> Any:
         return self.path(childDeckName) == self.path(parentDeckName) + [
-            self._basename(childDeckName)
+            self.basename(childDeckName)
         ]
 
     def _isAncestor(self, ancestorDeckName: str, descendantDeckName: str) -> Any:
@@ -297,9 +297,11 @@ class DeckManager:
     _path = path
 
     @classmethod
-    def _basename(cls, name: str) -> Any:
+    def basename(cls, name: str) -> Any:
         return cls.path(name)[-1]
 
+    _basename = basename
+
     @classmethod
     def key(cls, deck: Dict[str, Any]) -> List[str]:
         return cls.path(deck["name"])
diff --git a/pylib/anki/template.py b/pylib/anki/template.py
index d98a1c2f8..5b14d33f0 100644
--- a/pylib/anki/template.py
+++ b/pylib/anki/template.py
@@ -154,7 +154,7 @@ def fields_for_rendering(
     fields["Tags"] = note.stringTags().strip()
     fields["Type"] = card.note_type()["name"]
     fields["Deck"] = col.decks.name(card.odid or card.did)
-    fields["Subdeck"] = DeckManager._basename(fields["Deck"])
+    fields["Subdeck"] = DeckManager.basename(fields["Deck"])
     fields["Card"] = card.template()["name"]
     flag = card.userFlag()
     fields["CardFlag"] = flag and f"flag{flag}" or ""
diff --git a/qt/aqt/browser.py b/qt/aqt/browser.py
index 80b414c25..b107e2a08 100644
--- a/qt/aqt/browser.py
+++ b/qt/aqt/browser.py
@@ -1303,7 +1303,7 @@ QTableView {{ gridline-color: {grid} }}
         def addDecks(parent, decks):
             for head, did, rev, lrn, new, children in decks:
                 name = self.mw.col.decks.get(did)["name"]
-                shortname = DeckManager._basename(name)
+                shortname = DeckManager.basename(name)
                 if children:
                     subm = parent.addMenu(shortname)
                     subm.addItem(_("Filter"), self._filterFunc("deck", name))