diff --git a/pym/update/update.py b/pym/update/update.py
index 2161787..9503b7c 100644
--- a/pym/update/update.py
+++ b/pym/update/update.py
@@ -1634,6 +1634,7 @@ class Update(MethodsInterface):
             return None
         return level - int(self.clVars.Get("update.cl_update_level"))
 
+
     def check_current_binhost(self, binhost_url):
         """
         Проверка текущего сервера обновлений на валидность
@@ -1641,9 +1642,9 @@ class Update(MethodsInterface):
         if not binhost_url in self.binhosts_data.binhost_list:
             raise UpdateError(_("Current binhost is absent in list of update servers"))
         binhost = self.binhosts_data.get_binhost(binhost_url)
-
+        cur_level_valid = self.check_current_level()
         if binhost.valid and not binhost.outdated and not binhost.downgraded \
-                and self.is_binhost_level_valid(binhost):
+                and (not cur_level_valid or self.is_binhost_level_valid(binhost)):
             if binhost.status == self.binhosts_data.BinhostStatus.Success:
                 self.clVars.Set('update.cl_update_binhost_data',
                         [[binhost.host, binhost.data,
@@ -1651,6 +1652,8 @@ class Update(MethodsInterface):
                          str(binhost.duration),
                          str(binhost.level)]],
                          force=True)
+                if not cur_level_valid:
+                    self.pull_level_from_binhost(binhost)
                 self.endTask()
         else:
             if not binhost.valid:
@@ -1663,16 +1666,13 @@ class Update(MethodsInterface):
                 raise UpdateError(
                     _("Binary packages on the current binhost {} "
                       "are older than local").format(binhost_url))
-            elif self.check_current_level():
-                if not self.is_binhost_level_valid(binhost):
+            elif not self.is_binhost_level_valid(binhost):
                     # self.stash_binhost(binhost_url)
                     self.set_migration_mode(True)
                     #TODO translate
                     raise UpdateError(
                         _("Current binhost {} has a wrong update level. Current level: {} Binhost level: {}").\
                                 format(binhost_url, self.clVars.Get("update.cl_update_level"), binhost.level, ))
-            else:
-                self.pull_level_from_binhost(binhost)
 
         if self.binhosts_data.gpg:
             packages_fn = self.clVars.Get('update.cl_update_package_cache')
@@ -1889,21 +1889,21 @@ class Update(MethodsInterface):
         """
         Возвращает True если есть значение в calculate.env
         """
-        return int(self.clVars.Get('cl_update_level')) >= 0
+        # isdigit - True if it can be interp-ed as a number >=0
+        return self.clVars.Get('cl_update_level').isdigit()
             
 
     def pull_level_from_binhost(self, binhost):
         self._set_update_level(binhost.level)
+        return True
 
     def _set_update_level(self, level):
         if level:
             self.clVars.Write('cl_update_level', 
                     str(level), location="system")
-            return True
         else:
             self.clVars.Write('cl_update_level', 
                     str(0), location="system")
-            return False
 
     # def stash_binhost(self, binhost_url):
     #     """
diff --git a/pym/update/variables/update.py b/pym/update/variables/update.py
index 75994bf..77e3d84 100644
--- a/pym/update/variables/update.py
+++ b/pym/update/variables/update.py
@@ -1867,7 +1867,7 @@ class VariableClUpdateLevel(Variable):
     Используется для выбора зеркала
     """
     type = "int"
-    value = "-1"
+    value = ""
 
 class VariableClUpdateUseMigrationHost(Variable):
     """