diff --git a/libavcodec/wmadec.c b/libavcodec/wmadec.c
index 1f9ab61969..79401e21b6 100644
--- a/libavcodec/wmadec.c
+++ b/libavcodec/wmadec.c
@@ -913,7 +913,7 @@ static int wma_decode_superframe(AVCodecContext *avctx, void *data,
         samples += s->nb_channels * s->frame_len;
     }
 
-    av_dlog(s->avctx, "%d %d %d %d outbytes:%d eaten:%d\n",
+    av_dlog(s->avctx, "%d %d %d %d outbytes:%td eaten:%d\n",
             s->frame_len_bits, s->block_len_bits, s->frame_len, s->block_len,
             (int8_t *)samples - (int8_t *)data, s->block_align);