diff --git a/pym/update/update_info.py b/pym/update/update_info.py
index 8ab9fca..a162631 100644
--- a/pym/update/update_info.py
+++ b/pym/update/update_info.py
@@ -46,9 +46,13 @@ class UpdateInfo(object):
         """
         return SystemIni().getVar(cls.section, cls.varname) == u'on'
 
-    def set_update_ready(self, value):
-        SystemIni().setVar(self.section,
-            {self.varname:"on" if value else "off"})
+    @classmethod
+    def set_update_ready(cls, value):
+        """
+        Установить статус обновления
+        """
+        SystemIni().setVar(cls.section,
+            {cls.varname:"on" if value else "off"})
 
     def check_for_dispatch(self):
         """