diff '--color=auto' -r -U3 powerdevil-5.21.5.orig/daemon/powerdevilpolicyagent.cpp powerdevil-5.21.5/daemon/powerdevilpolicyagent.cpp
--- powerdevil-5.21.5.orig/daemon/powerdevilpolicyagent.cpp	2021-05-04 15:57:30.000000000 +0300
+++ powerdevil-5.21.5/daemon/powerdevilpolicyagent.cpp	2021-05-05 03:45:17.021313522 +0300
@@ -236,7 +236,7 @@
             return;
         }
 
-        QDBusPendingReply<QDBusObjectPath> session = m_managerIface.data()->asyncCall(QLatin1String("GetSessionByPID"), (quint32) QCoreApplication::applicationPid());
+        QDBusPendingReply<QDBusObjectPath> session = m_managerIface.data()->asyncCall(QLatin1String("GetSession"), QStringLiteral("auto"));
         session.waitForFinished();
 
         if (!session.isValid()) {