diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 87d795478a..5cd654f526 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1735,6 +1735,7 @@ static void frame_end(MpegEncContext *s)
 
 #if FF_API_CODED_FRAME
 FF_DISABLE_DEPRECATION_WARNINGS
+    av_frame_unref(s->avctx->coded_frame);
     av_frame_copy_props(s->avctx->coded_frame, s->current_picture.f);
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif