diff --git a/textarchive/vlib001.pl b/textarchive/vlib001.pl
index 76c1d1062e6b0232dbd41648f04375dbc1293157..98792398d90785a40f983159cd41a25db27e1de0 100755
--- a/textarchive/vlib001.pl
+++ b/textarchive/vlib001.pl
@@ -58,6 +58,7 @@ while (my $arg= shift (@ARGV))
        if ($arg eq '--project')  { $project= shift (@ARGV); }
     elsif ($arg eq '--store')    { $store= shift (@ARGV); }
     elsif ($arg eq '--fileinfo') { $refresh_fileinfo= 1; }
+    elsif ($arg eq '--maint') { $op_mode= 'maint'; }
     elsif ($arg =~ /^--(refresh|verify|lookup|edit)$/) { $op_mode= $1; }
   }
   elsif ($arg =~ /^-/)
@@ -128,6 +129,17 @@ elsif ($op_mode eq 'lookup')
     print "res: ", Dumper ($res);
   }
 }
+elsif ($op_mode eq 'maint')
+{
+
+=begin comment
+
+For MongoDB backend: synchronize information about stores with maint collection
+
+=end comment
+=cut
+
+}
 
 # print "objreg: (after refresh)", Dumper ($objreg);