diff --git a/sysdata_windows.go b/sysdata_windows.go
index aaa3332..7320488 100644
--- a/sysdata_windows.go
+++ b/sysdata_windows.go
@@ -164,10 +164,10 @@ func (s *sysData) make(window *sysData) (err error) {
 			uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(classname))),
 			uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(""))),		// we set the window text later
 			style,
-			uintptr(_CW_USEDEFAULT),
-			uintptr(_CW_USEDEFAULT),
-			uintptr(_CW_USEDEFAULT),
-			uintptr(_CW_USEDEFAULT),
+			negConst(_CW_USEDEFAULT),
+			negConst(_CW_USEDEFAULT),
+			negConst(_CW_USEDEFAULT),
+			negConst(_CW_USEDEFAULT),
 			pwin,
 			uintptr(cid),
 			uintptr(hInstance),
diff --git a/uitask_windows.go b/uitask_windows.go
index 621c1fc..fed035b 100644
--- a/uitask_windows.go
+++ b/uitask_windows.go
@@ -158,10 +158,10 @@ func makeMessageHandler() (hwnd _HWND, err error) {
 		uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(msghandlerclass))),
 		uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr("ui package message window"))),
 		uintptr(0),
-		uintptr(_CW_USEDEFAULT),
-		uintptr(_CW_USEDEFAULT),
-		uintptr(_CW_USEDEFAULT),
-		uintptr(_CW_USEDEFAULT),
+		negConst(_CW_USEDEFAULT),
+		negConst(_CW_USEDEFAULT),
+		negConst(_CW_USEDEFAULT),
+		negConst(_CW_USEDEFAULT),
 		negConst(_HWND_MESSAGE),
 		uintptr(_NULL),
 		uintptr(hInstance),
diff --git a/windows_windows.go b/windows_windows.go
index 5012170..f40df1a 100644
--- a/windows_windows.go
+++ b/windows_windows.go
@@ -69,10 +69,8 @@ const (
 )
 
 // bizarrely, this value is given on the page for CreateMDIWindow, but not CreateWindow or CreateWindowEx
-// I do it this way because Go won't let me shove the exact value into an int
-var (
-	__CW_USEDEFAULT uint = 0x80000000
-	_CW_USEDEFAULT = int(__CW_USEDEFAULT)
+const (
+	_CW_USEDEFAULT = 0x80000000
 )
 
 // GetSysColor values. These can be cast to HBRUSH (after adding 1) for WNDCLASS as well.