diff --git a/pym/desktop/desktop.py b/pym/desktop/desktop.py
index 1e5669b..c66b5d7 100644
--- a/pym/desktop/desktop.py
+++ b/pym/desktop/desktop.py
@@ -271,7 +271,7 @@ class Desktop(MethodsInterface):
         elif session == 'kde':
             logoutCommand = "/usr/bin/kquitapp ksmserver"
         elif session == 'plasma':
-            logoutCommand = "/usr/bin/kquitapp5 ksmserver"
+            logoutCommand = "/usr/bin/pkill -f ksmserver"
         elif session == 'gnome':
             logoutCommand = "/usr/bin/qdbus org.gnome.SessionManager " \
                             "/org/gnome/SessionManager Logout 1"
@@ -282,7 +282,7 @@ class Desktop(MethodsInterface):
             raise DesktopError(_("Unable to send the logout command"))
         return True
 
-    def waitLogout(self, urLogin, waitTime, postWaitTime=5):
+    def waitLogout(self, urLogin, waitTime, postWaitTime=20):
         """
         Ожидать завершения пользовательского сеанса
 
@@ -290,6 +290,17 @@ class Desktop(MethodsInterface):
         urLogin: логин пользователя
         waitTime: время ожидания завершения сеанса
         """
+        session = self.clVars.Get('cl_desktop_xsession')
+        if session == "plasma":
+            uid = self.clVars.Get('ur_uid')
+            if uid:
+                uid = int(uid)
+            for i in range(0, postWaitTime):
+                if not filter(lambda x: "ksmserver" in x,
+                              getRunCommands(uid=uid)):
+                    break
+                time.sleep(1)
+        
         if filter(lambda x: "xdm/xdm\x00--logout" in x,
                   getRunCommands()):
             for i in range(0, waitTime):
@@ -300,7 +311,7 @@ class Desktop(MethodsInterface):
             else:
                 raise DesktopError(_("Unable to wait for completion "
                                      "of the user logout"))
-        for wait in range(0, 5):
+        for wait in range(0, postWaitTime):
             self.clVars.Invalidate('cl_desktop_online_data')
             if urLogin not in self.clVars.Get('cl_desktop_online_user'):
                 return True