diff --git a/src/mss/base.py b/src/mss/base.py
index dd3a175e..91a9dc12 100644
--- a/src/mss/base.py
+++ b/src/mss/base.py
@@ -208,7 +208,7 @@ def __init__(
         backend: str = "default",
         compression_level: int = 6,
         with_cursor: bool | _PlatformSpecific = _PD_WITH_CURSOR,
-        display: bytes | str | None | _PlatformSpecific = _PD_DISPLAY,
+        display: bytes | str | _PlatformSpecific | None = _PD_DISPLAY,
         max_displays: int | _PlatformSpecific = _PD_MAX_DISPLAYS,
     ) -> None:
         impl_kwargs = {}
diff --git a/src/mss/linux/xlib.py b/src/mss/linux/xlib.py
index fda0e703..0e13030a 100644
--- a/src/mss/linux/xlib.py
+++ b/src/mss/linux/xlib.py
@@ -331,7 +331,7 @@ def _error_handler(display: Display, event: XErrorEvent) -> int:
 
 
 def _validate_x11(
-    retval: _Pointer | None | XBool | XStatus | XID | int, func: Any, args: tuple[Any, Any], /
+    retval: _Pointer | XBool | XStatus | XID | int | None, func: Any, args: tuple[Any, Any], /
 ) -> tuple[Any, Any]:
     thread = current_thread()