diff --git a/libavfilter/libmpcodecs/vf_ilpack.c b/libavfilter/libmpcodecs/vf_ilpack.c
index 17d6ae4450..4db6c0a8b7 100644
--- a/libavfilter/libmpcodecs/vf_ilpack.c
+++ b/libavfilter/libmpcodecs/vf_ilpack.c
@@ -29,6 +29,7 @@
 #include "mp_image.h"
 #include "vf.h"
 #include "libavutil/attributes.h"
+#include "libavutil/x86/asm.h"
 
 typedef void (pack_func_t)(unsigned char *dst, unsigned char *y,
     unsigned char *u, unsigned char *v, int w, int us, int vs);