diff --git a/source/Platform/Win32/Win32Display.cpp b/source/Platform/Win32/Win32Display.cpp
index 90271a0..67993fa 100644
--- a/source/Platform/Win32/Win32Display.cpp
+++ b/source/Platform/Win32/Win32Display.cpp
@@ -333,11 +333,11 @@ LRESULT CALLBACK Win32Display::staticWndProc(HWND handle, UINT message, WPARAM w
 	if (message == WM_NCCREATE) {
 
 		LONG_PTR ptr = (LONG_PTR) ((LPCREATESTRUCT)lParam)->lpCreateParams;
-		::SetWindowLong(handle, GWL_USERDATA, ptr);
+		::SetWindowLongPtr(handle, GWL_USERDATA, ptr);
 
 		display = (Win32Display*) ptr;
 	} else {
-		display = (Win32Display*) ::GetWindowLong(handle, GWL_USERDATA);
+		display = (Win32Display*) ::GetWindowLongPtr(handle, GWL_USERDATA);
 	}
 
 	if (display) {