diff --git a/libavcodec/hevc_mp4toannexb_bsf.c b/libavcodec/hevc_mp4toannexb_bsf.c
index 7df5108914..54d6d79b8b 100644
--- a/libavcodec/hevc_mp4toannexb_bsf.c
+++ b/libavcodec/hevc_mp4toannexb_bsf.c
@@ -56,7 +56,7 @@ static int hevc_extradata_to_annexb(HEVCBSFContext* ctx, AVCodecContext *avctx)
     int ret = 0;
 
     uint8_t *new_extradata = NULL;
-    size_t   new_extradata_size = 0;;
+    size_t   new_extradata_size = 0;
 
     bytestream2_init(&gb, avctx->extradata, avctx->extradata_size);