diff --git a/kivy/input/providers/wm_pen.py b/kivy/input/providers/wm_pen.py
index 6b56941ac..8e21355ab 100644
--- a/kivy/input/providers/wm_pen.py
+++ b/kivy/input/providers/wm_pen.py
@@ -53,8 +53,14 @@ else:
         h = property(lambda self: self.bottom - self.top)
     win_rect = RECT()
 
-    windll.user32.SetWindowLongPtrW.restype = WNDPROC
-    windll.user32.SetWindowLongPtrW.argtypes = [HANDLE, c_int, WNDPROC]
+
+    if hasattr(windll.user32, 'SetWindowLongPtrW'):
+        windll.user32.SetWindowLongPtrW.restype = WNDPROC
+        windll.user32.SetWindowLongPtrW.argtypes = [HANDLE, c_int, WNDPROC]
+        SetWindowLong_wrapper = windll.user32.SetWindowLongPtrW
+    else:
+        SetWindowLong_wrapper = windll.user32.SetWindowLongW
+
     windll.user32.GetMessageExtraInfo.restype = LPARAM
     windll.user32.GetMessageExtraInfo.argtypes = []
     windll.user32.GetClientRect.restype = BOOL
@@ -115,10 +121,8 @@ else:
             # inject our own wndProc to handle messages
             # before window manager does
             self.new_windProc = WNDPROC(self._pen_wndProc)
-            self.old_windProc = windll.user32.SetWindowLongPtrW(
-                self.hwnd,
-                GWL_WNDPROC,
-                self.new_windProc)
+            self.old_windProc = SetWindowLong_wrapper(
+                self.hwnd, GWL_WNDPROC, self.new_windProc)
 
         def update(self, dispatch_fn):
             while True:
@@ -140,9 +144,6 @@ else:
 
         def stop(self):
             self.pen = None
-            windll.user32.SetWindowLongPtrW(
-                self.hwnd,
-                GWL_WNDPROC,
-                self.old_windProc)
+            SetWindowLong_wrapper(self.hwnd, GWL_WNDPROC, self.old_windProc)
 
     MotionEventFactory.register('wm_pen', WM_PenProvider)
diff --git a/kivy/input/providers/wm_touch.py b/kivy/input/providers/wm_touch.py
index 723a4a49c..cf29a9d36 100644
--- a/kivy/input/providers/wm_touch.py
+++ b/kivy/input/providers/wm_touch.py
@@ -99,8 +99,13 @@ else:
         w = property(lambda self: self.right - self.left)
         h = property(lambda self: self.bottom - self.top)
 
-    windll.user32.SetWindowLongPtrW.restype = WNDPROC
-    windll.user32.SetWindowLongPtrW.argtypes = [HANDLE, c_int, WNDPROC]
+    if hasattr(windll.user32, 'SetWindowLongPtrW'):
+        windll.user32.SetWindowLongPtrW.restype = WNDPROC
+        windll.user32.SetWindowLongPtrW.argtypes = [HANDLE, c_int, WNDPROC]
+        SetWindowLong_wrapper = windll.user32.SetWindowLongPtrW
+    else:
+        SetWindowLong_wrapper = windll.user32.SetWindowLongW
+
     windll.user32.GetMessageExtraInfo.restype = LPARAM
     windll.user32.GetMessageExtraInfo.argtypes = []
     windll.user32.GetClientRect.restype = BOOL
@@ -134,10 +139,8 @@ else:
             # inject our own wndProc to handle messages
             # before window manager does
             self.new_windProc = WNDPROC(self._touch_wndProc)
-            self.old_windProc = windll.user32.SetWindowLongPtrW(
-                self.hwnd,
-                GWL_WNDPROC,
-                self.new_windProc)
+            self.old_windProc = SetWindowLong_wrapper(
+                self.hwnd, GWL_WNDPROC, self.new_windProc)
 
         def update(self, dispatch_fn):
             win_rect = RECT()
@@ -173,10 +176,8 @@ else:
 
         def stop(self):
             windll.user32.UnregisterTouchWindow(self.hwnd)
-            self.new_windProc = windll.user32.SetWindowLongPtrW(
-                self.hwnd,
-                GWL_WNDPROC,
-                self.old_windProc)
+            self.new_windProc = SetWindowLong_wrapper(
+                self.hwnd, GWL_WNDPROC, self.old_windProc)
 
         # we inject this wndProc into our main window, to process
         # WM_TOUCH and mouse messages before the window manager does