diff --git a/pymouse/windows.py b/pymouse/windows.py
index ebd53bb..f64daf3 100644
--- a/pymouse/windows.py
+++ b/pymouse/windows.py
@@ -21,8 +21,8 @@
 from time import sleep
 
 class POINT(Structure):
-    _fields_ = [("x", c_ulong),
-                ("y", c_ulong)]
+    _fields_ = [("x", c_long),
+                ("y", c_long)]
 
 class PyMouse(PyMouseMeta):
     """MOUSEEVENTF_(button and action) constants