diff --git a/mystic/bbs_cfg_filebase.pas b/mystic/bbs_cfg_filebase.pas
index 59a87bc..96920f8 100644
--- a/mystic/bbs_cfg_filebase.pas
+++ b/mystic/bbs_cfg_filebase.pas
@@ -121,6 +121,9 @@ Begin
     End;
   Until False;
 
+  FBase.FTPName := strReplace(FBase.FTPName, '/', '_');
+  FBase.FTPName := strReplace(FBase.FTPName, '\', '_');
+
   Box.Close;
 
   Form.Free;