diff --git a/source/Platform/Win32/Win32Display.cpp b/source/Platform/Win32/Win32Display.cpp
index eeecffe..78f4be0 100644
--- a/source/Platform/Win32/Win32Display.cpp
+++ b/source/Platform/Win32/Win32Display.cpp
@@ -91,14 +91,8 @@ bool Win32Display::isValid()
 
 void Win32Display::setSize(unsigned int width, unsigned int height)
 {
-	int w, h;
-	RECT rect = {0, 0, (LONG) width, (LONG) height};
-	AdjustWindowRect(&rect, GetWindowLong(m_handle, GWL_STYLE), false);
-
-	w = rect.right - rect.left;
-	h = rect.bottom - rect.top;
-
-	::SetWindowPos(m_handle, NULL, 0, 0, w, h, SWP_NOMOVE | SWP_NOZORDER);
+	Vector2i s = calculateSize(GetWindowLong(m_handle, GWL_STYLE), width, height);
+	::SetWindowPos(m_handle, NULL, 0, 0, s.x, s.y, SWP_NOMOVE | SWP_NOZORDER);
 }
 
 Vector2u Win32Display::getSize() const