1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/cbs_mpeg2.c b/libavcodec/cbs_mpeg2.c
index 8fb5375e3b..642a9c99b1 100644
--- a/libavcodec/cbs_mpeg2.c
+++ b/libavcodec/cbs_mpeg2.c
@@ -305,7 +305,7 @@ static int cbs_mpeg2_write_unit(CodedBitstreamContext *ctx,
         if (err < 0) {
             av_log(ctx->log_ctx, AV_LOG_ERROR, "Unable to allocate a "
                    "sufficiently large write buffer (last attempt "
-                   "%zu bytes).\n", priv->write_buffer_size);
+                   "%"SIZE_SPECIFIER" bytes).\n", priv->write_buffer_size);
             return err;
         }
     }