diff --git a/video/out/gl_lcms.c b/video/out/gl_lcms.c
index b00fcb62a6..6d7b68a0bd 100644
--- a/video/out/gl_lcms.c
+++ b/video/out/gl_lcms.c
@@ -36,6 +36,8 @@
 #include "gl_video.h"
 #include "gl_lcms.h"
 
+#include "osdep/io.h"
+
 #if HAVE_LCMS2
 
 #include <lcms2.h>