diff --git a/libavcodec/libxvid.c b/libavcodec/libxvid.c
index 15b31c5eef..cbb72c2227 100644
--- a/libavcodec/libxvid.c
+++ b/libavcodec/libxvid.c
@@ -29,6 +29,7 @@
 #include <string.h>
 #include <xvid.h>
 
+#include "libavutil/avassert.h"
 #include "libavutil/cpu.h"
 #include "libavutil/file.h"
 #include "libavutil/internal.h"