diff --git a/libavcodec/cdgraphics.c b/libavcodec/cdgraphics.c
index dc2aa0784b..9ab00b4fac 100644
--- a/libavcodec/cdgraphics.c
+++ b/libavcodec/cdgraphics.c
@@ -348,11 +348,10 @@ static int cdg_decode_frame(AVCodecContext *avctx,
         *data_size = sizeof(AVFrame);
     } else {
         *data_size = 0;
-        buf_size   = 0;
     }
 
     *(AVFrame *) data = cc->frame;
-    return buf_size;
+    return avpkt->size;
 }
 
 static av_cold int cdg_decode_end(AVCodecContext *avctx)