diff --git a/include/chsrc.h b/include/chsrc.h
index 3a95815..51aefe1 100644
--- a/include/chsrc.h
+++ b/include/chsrc.h
@@ -668,7 +668,7 @@ select_mirror_autoly (SourceInfo *sources, size_t size, const char *target_name)
                                    : " 目前唯一可用镜像站，感谢他们的慷慨支持";
       const char *name = CliOpt_InEnglish ? sources[fast_idx].mirror->abbr
                                           : sources[fast_idx].mirror->name;
-      chsrc_succ (xy_strjoin (5, name, is, target_name, msg, " - ", sources[fast_idx].url));
+      chsrc_succ (xy_strjoin (6, name, is, target_name, msg, " - ", sources[fast_idx].url));
     }
   else
     {