diff --git a/stdlib/2/compileall.pyi b/stdlib/2/compileall.pyi
index 28f079a5b..c3e861e1e 100644
--- a/stdlib/2/compileall.pyi
+++ b/stdlib/2/compileall.pyi
@@ -4,7 +4,7 @@ from typing import Optional, Pattern, Union
 
 _Path = Union[str, bytes]
 
-# fx can be any object with a 'search' method; once we have Protocols we can change the type
-def compile_dir(dir: _Path, maxlevels: int = ..., ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ...) -> None: ...
-def compile_file(fullname: _Path, ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ...) -> None: ...
-def compile_path(skip_curdir: bool = ..., maxlevels: int = ..., force: bool = ..., quiet: int = ...) -> None: ...
+# rx can be any object with a 'search' method; once we have Protocols we can change the type
+def compile_dir(dir: _Path, maxlevels: int = ..., ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ...) -> int: ...
+def compile_file(fullname: _Path, ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ...) -> int: ...
+def compile_path(skip_curdir: bool = ..., maxlevels: int = ..., force: bool = ..., quiet: int = ...) -> int: ...
diff --git a/stdlib/3/compileall.pyi b/stdlib/3/compileall.pyi
index d8093bf62..8d2731c05 100644
--- a/stdlib/3/compileall.pyi
+++ b/stdlib/3/compileall.pyi
@@ -6,13 +6,15 @@ from typing import Optional, Union, Pattern
 
 if sys.version_info < (3, 6):
     _Path = Union[str, bytes]
+    _SuccessType = bool
 else:
     _Path = Union[str, bytes, os.PathLike]
+    _SuccessType = int
 
-# fx can be any object with a 'search' method; once we have Protocols we can change the type
+# rx can be any object with a 'search' method; once we have Protocols we can change the type
 if sys.version_info < (3, 5):
-    def compile_dir(dir: _Path, maxlevels: int = ..., ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> None: ...
+    def compile_dir(dir: _Path, maxlevels: int = ..., ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> _SuccessType: ...
 else:
-    def compile_dir(dir: _Path, maxlevels: int = ..., ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ..., workers: int = ...) -> None: ...
-def compile_file(fullname: _Path, ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> None: ...
-def compile_path(skip_curdir: bool = ..., maxlevels: int = ..., force: bool = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> None: ...
+    def compile_dir(dir: _Path, maxlevels: int = ..., ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ..., workers: int = ...) -> _SuccessType: ...
+def compile_file(fullname: _Path, ddir: Optional[_Path] = ..., force: bool = ..., rx: Optional[Pattern] = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> _SuccessType: ...
+def compile_path(skip_curdir: bool = ..., maxlevels: int = ..., force: bool = ..., quiet: int = ..., legacy: bool = ..., optimize: int = ...) -> _SuccessType: ...