diff --git a/Lib/zipfile/__init__.py b/Lib/zipfile/__init__.py
index 18caeb3e04a2b5..757cd5871e04a3 100644
--- a/Lib/zipfile/__init__.py
+++ b/Lib/zipfile/__init__.py
@@ -219,7 +219,7 @@ def split(cls, data):
         # use memoryview for zero-copy slices
         rest = memoryview(data)
         while rest:
-            extra, rest = _Extra.read_one(rest)
+            extra, rest = cls.read_one(rest)
             yield extra
 
     @classmethod