diff --git a/pupy/packages/windows/all/uidle.py b/pupy/packages/windows/all/uidle.py
index 303cd089..8c673cc3 100644
--- a/pupy/packages/windows/all/uidle.py
+++ b/pupy/packages/windows/all/uidle.py
@@ -13,10 +13,10 @@ GetLastInputInfo = windll.user32.GetLastInputInfo
 if hasattr(windll.kernel32, 'GetTickCount64'):
     from ctypes import c_ulonglong
     GetTickCount = windll.kernel32.GetTickCount64
-    GetTickCount.reestype = c_ulonglong
+    GetTickCount.restype = c_ulonglong
 else:
     GetTickCount = windll.kernel32.GetTickCount
-    GetTickCount.reestype = c_uint
+    GetTickCount.restype = c_uint
 
 def get_gui_idle(display=None):
     lastInputInfo = LASTINPUTINFO()