diff --git a/libavcodec/dpx_parser.c b/libavcodec/dpx_parser.c
index 6c6d502d7e..5f29eee033 100644
--- a/libavcodec/dpx_parser.c
+++ b/libavcodec/dpx_parser.c
@@ -48,7 +48,7 @@ static int dpx_parse(AVCodecParserContext *s, AVCodecContext *avctx,
 
     *poutbuf_size = 0;
     if (buf_size == 0)
-        return 0;
+        next = 0;
 
     if (!d->pc.frame_start_found) {
         for (; i < buf_size; i++) {