diff --git a/video/out/w32_common.c b/video/out/w32_common.c
index 9f0180b49e..2827ec0e25 100644
--- a/video/out/w32_common.c
+++ b/video/out/w32_common.c
@@ -22,6 +22,7 @@
 #include <assert.h>
 #include <windows.h>
 #include <windowsx.h>
+#include <initguid.h>
 #include <ole2.h>
 
 #include "options/options.h"