diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c
index bc3a2c021d..e0973bf6e0 100644
--- a/libavcodec/h264_parser.c
+++ b/libavcodec/h264_parser.c
@@ -139,7 +139,7 @@ static int h264_split(AVCodecContext *avctx,
     return 0;
 }
 
-static close(AVCodecParserContext *s)
+static void close(AVCodecParserContext *s)
 {
     H264Context *h = s->priv_data;
     ParseContext *pc = &h->s.parse_context;