Index: agent/CMakeLists.txt
===================================================================
--- agent/CMakeLists.txt	(revision 1093193)
+++ agent/CMakeLists.txt	(revision 1093194)
@@ -18,11 +18,4 @@
 
 install(TARGETS polkit-kde-authentication-agent-1 DESTINATION ${LIBEXEC_INSTALL_DIR})
 
-# Install .desktop file to the XDG_CONFIG_DIRS if exists, to the /etc/xdg/autostart otherwise
-set (DESKTOP_INSTALL_DIR $ENV{XDG_CONFIG_DIRS})
-if (DESKTOP_INSTALL_DIR)
-else (DESKTOP_INSTALL_DIR)
-  set (DESKTOP_INSTALL_DIR /etc/xdg/autostart)
-endif (DESKTOP_INSTALL_DIR)
-
-install(FILES ${CMAKE_BINARY_DIR}/polkit-kde-authentication-agent-1.desktop DESTINATION ${DESKTOP_INSTALL_DIR})
+install(FILES ${CMAKE_BINARY_DIR}/polkit-kde-authentication-agent-1.desktop DESTINATION ${KDE4_AUTOSTART_INSTALL_DIR})