diff --git a/Lib/_collections_abc.py b/Lib/_collections_abc.py
index acfaff802f5063..023ac7cf036958 100644
--- a/Lib/_collections_abc.py
+++ b/Lib/_collections_abc.py
@@ -816,7 +816,7 @@ class KeysView(MappingView, Set):
     __slots__ = ()
 
     @classmethod
-    def _from_iterable(self, it):
+    def _from_iterable(cls, it):
         return set(it)
 
     def __contains__(self, key):
@@ -834,7 +834,7 @@ class ItemsView(MappingView, Set):
     __slots__ = ()
 
     @classmethod
-    def _from_iterable(self, it):
+    def _from_iterable(cls, it):
         return set(it)
 
     def __contains__(self, item):