--- prefdm~	2015-02-06 14:05:28.000000000 +0300
+++ prefdm	2015-04-03 14:33:54.629208983 +0300
@@ -44,9 +44,9 @@ if [ -s /etc/sysconfig/desktop ]; then
 			AnotherLevel)	preferred=xdm ;;
 			E17)		preferred=entrance ;;
 			GNOME)		preferred=gdm ;;
-			KDE)		preferred=kdm log=1 ;;
+			KDE)		finddm sddm && preferred=sddm || preferred=kdm log=1 ;;
 			LDM)		preferred=lightdm ;;
-			LXDE)		preferred=lxdm ;;
+			LXDE)		finddm sddm && preferred=sddm || preferred=lxdm ;;
 			MATE)		preferred=mdm ;;
 			WindowMaker)	preferred=wdm ;;
 			*) continue ;;
@@ -57,7 +57,9 @@ if [ -s /etc/sysconfig/desktop ]; then
 	log=
 fi
 
-if finddm kdm; then
+if finddm sddm; then
+	preferred=sddm
+elif finddm kdm; then
 	preferred=kdm
 	log=1
 elif finddm gdm; then