diff --git a/setup.py b/setup.py
index 9e9c3f177..8183a3b69 100755
--- a/setup.py
+++ b/setup.py
@@ -1778,7 +1778,7 @@ def repl(name: str, raw: str, defval: Union[str, float, FrozenSet[str]], val: Un
             return raw
         tname = type(defval).__name__
         if tname == 'frozenset':
-            tname = 'typing.FrozenSet[str]'
+            tname = 'frozenset[str]'
         prefix = f'{name}: {tname} ='
         nraw = raw.replace(f'{prefix} {defval!r}', f'{prefix} {val!r}', 1)
         if nraw == raw: