diff --git a/gdk/win32/gdkdisplay-win32.c b/gdk/win32/gdkdisplay-win32.c
index 8cb0aa094a..c701e2e036 100644
--- a/gdk/win32/gdkdisplay-win32.c
+++ b/gdk/win32/gdkdisplay-win32.c
@@ -17,6 +17,9 @@
  */
 
 #include "config.h"
+
+#define _WIN32_WINNT 0x0600
+
 #include "gdk.h"
 #include "gdkprivate-win32.h"
 #include "gdkdisplay-win32.h"