diff --git a/demux/demux_cue.c b/demux/demux_cue.c
index ba97ca0c1b..a8d1176163 100644
--- a/demux/demux_cue.c
+++ b/demux/demux_cue.c
@@ -23,6 +23,8 @@
 #include <dirent.h>
 #include <inttypes.h>
 
+#include "osdep/io.h"
+
 #include "mpv_talloc.h"
 
 #include "misc/bstr.h"