diff --git a/stdlib/3/multiprocessing/__init__.pyi b/stdlib/3/multiprocessing/__init__.pyi
index bf30ab506..3827677fb 100644
--- a/stdlib/3/multiprocessing/__init__.pyi
+++ b/stdlib/3/multiprocessing/__init__.pyi
@@ -96,3 +96,4 @@ class Value():
 
 # ----- multiprocessing function stubs -----
 def cpu_count() -> int: ...
+def freeze_support() -> None: ...