diff --git a/libavcodec/videotoolbox.c b/libavcodec/videotoolbox.c
index 51d4eacfd8..29c781cda4 100644
--- a/libavcodec/videotoolbox.c
+++ b/libavcodec/videotoolbox.c
@@ -29,6 +29,7 @@
 #include "libavutil/pixdesc.h"
 #include "bytestream.h"
 #include "decode.h"
+#include "internal.h"
 #include "h264dec.h"
 #include "hevcdec.h"
 #include "mpegvideo.h"