diff --git a/src/SFML/Window/Win32/WindowImplWin32.cpp b/src/SFML/Window/Win32/WindowImplWin32.cpp
index 5ff759e2..6581d912 100644
--- a/src/SFML/Window/Win32/WindowImplWin32.cpp
+++ b/src/SFML/Window/Win32/WindowImplWin32.cpp
@@ -35,13 +35,16 @@
 #include <iostream>
 #include <vector>
 
-// Old versions of MinGW lack the definition of XBUTTON1 and XBUTTON2
+// MinGW lacks the definition of some Win32 constants
 #ifndef XBUTTON1
     #define XBUTTON1 0x0001
 #endif
 #ifndef XBUTTON2
     #define XBUTTON2 0x0002
 #endif
+#ifndef MAPVK_VK_TO_VSC
+    #define MAPVK_VK_TO_VSC (0)
+#endif
 
 
 ////////////////////////////////////////////////////////////