diff --git a/libavcodec/hevc_sei.h b/libavcodec/hevc_sei.h
index c67dbceb6c..4b6bfddeb9 100644
--- a/libavcodec/hevc_sei.h
+++ b/libavcodec/hevc_sei.h
@@ -23,6 +23,8 @@
 
 #include <stdint.h>
 
+#include "libavutil/buffer.h"
+
 #include "get_bits.h"
 #include "sei.h"