diff --git a/stdlib/_curses.pyi b/stdlib/_curses.pyi
index cf11bb40d..1ccd54e35 100644
--- a/stdlib/_curses.pyi
+++ b/stdlib/_curses.pyi
@@ -378,11 +378,11 @@ class _CursesWindow:
     def addstr(self, str: str, attr: int = ...) -> None: ...
     @overload
     def addstr(self, y: int, x: int, str: str, attr: int = ...) -> None: ...
-    def attroff(self, attr: int) -> None: ...
-    def attron(self, attr: int) -> None: ...
-    def attrset(self, attr: int) -> None: ...
-    def bkgd(self, ch: _chtype, attr: int = ...) -> None: ...
-    def bkgdset(self, ch: _chtype, attr: int = ...) -> None: ...
+    def attroff(self, __attr: int) -> None: ...
+    def attron(self, __attr: int) -> None: ...
+    def attrset(self, __attr: int) -> None: ...
+    def bkgd(self, __ch: _chtype, __attr: int = ...) -> None: ...
+    def bkgdset(self, __ch: _chtype, __attr: int = ...) -> None: ...
     def border(
         self,
         ls: _chtype = ...,
@@ -420,8 +420,8 @@ class _CursesWindow:
     def derwin(self, begin_y: int, begin_x: int) -> _CursesWindow: ...
     @overload
     def derwin(self, nlines: int, ncols: int, begin_y: int, begin_x: int) -> _CursesWindow: ...
-    def echochar(self, ch: _chtype, attr: int = ...) -> None: ...
-    def enclose(self, y: int, x: int) -> bool: ...
+    def echochar(self, __ch: _chtype, __attr: int = ...) -> None: ...
+    def enclose(self, __y: int, __x: int) -> bool: ...
     def erase(self) -> None: ...
     def getbegyx(self) -> Tuple[int, int]: ...
     def getbkgd(self) -> Tuple[int, int]: ...
@@ -478,7 +478,7 @@ class _CursesWindow:
     def instr(self, n: int = ...) -> _chtype: ...
     @overload
     def instr(self, y: int, x: int, n: int = ...) -> _chtype: ...
-    def is_linetouched(self, line: int) -> bool: ...
+    def is_linetouched(self, __line: int) -> bool: ...
     def is_wintouched(self) -> bool: ...
     def keypad(self, yes: bool) -> None: ...
     def leaveok(self, yes: bool) -> None: ...
@@ -500,8 +500,8 @@ class _CursesWindow:
     def overwrite(
         self, destwin: _CursesWindow, sminrow: int, smincol: int, dminrow: int, dmincol: int, dmaxrow: int, dmaxcol: int
     ) -> None: ...
-    def putwin(self, file: IO[Any]) -> None: ...
-    def redrawln(self, beg: int, num: int) -> None: ...
+    def putwin(self, __file: IO[Any]) -> None: ...
+    def redrawln(self, __beg: int, __num: int) -> None: ...
     def redrawwin(self) -> None: ...
     @overload
     def refresh(self) -> None: ...
@@ -510,7 +510,7 @@ class _CursesWindow:
     def resize(self, nlines: int, ncols: int) -> None: ...
     def scroll(self, lines: int = ...) -> None: ...
     def scrollok(self, flag: bool) -> None: ...
-    def setscrreg(self, top: int, bottom: int) -> None: ...
+    def setscrreg(self, __top: int, __bottom: int) -> None: ...
     def standend(self) -> None: ...
     def standout(self) -> None: ...
     @overload