diff --git a/libavcodec/mvha.c b/libavcodec/mvha.c
index f5387bd190e6291262e2c26df06e31172100e2b1..9f593f71b4970528079094b3fcfa131a827f53dd 100644
--- a/libavcodec/mvha.c
+++ b/libavcodec/mvha.c
@@ -188,7 +188,7 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *frame,
                     av_log(avctx, AV_LOG_ERROR, "Inflate error: %d\n", ret);
                     return AVERROR_EXTERNAL;
                 }
-                if (zsteam->avail_out > 0)
+                if (zstream->avail_out > 0)
                     memset(zstream->next_out, 0, zstream->avail_out);
             }
         }