diff --git a/dictsource/ru_list b/dictsource/ru_list
index 2b546afb..0e1bab79 100644
--- a/dictsource/ru_list
+++ b/dictsource/ru_list
@@ -270,6 +270,7 @@ _с      Es
          (на поводу)            n@||pV#vV#d'u
           (не были)              n;'ebyl;I
         (не было)               n;'ebylV
+             (не за что)               n;'ezV#StV#
            (не с чем)              n;'estS;im
              (одной стороны)               V#dn'oj||stV#rV#n'y
            (от числа)          ot||tS;isl'A
diff --git a/dictsource/ru_rules b/dictsource/ru_rules
index db96a434..9df75e59 100644
--- a/dictsource/ru_rules
+++ b/dictsource/ru_rules
@@ -2,6 +2,9 @@
 // *   Copyright (C) 2007 to 2013 by Jonathan Duddington                     *
 // *   email: jonsd@users.sourceforge.net                                    *
 // *   Copyright (C) 2018 Reece H. Dunn                                      *
+// *   Copyright (C) 2022 by Kirill Kolov                                      *
+// *   email: kirillkolovi@gmail.com                                    *
+
 // *                                                                         *
 // *   This program is free software; you can redistribute it and/or modify  *
 // *   it under the terms of the GNU General Public License as published by  *