--- kwin-5.4.0/KWinDBusInterfaceConfig.cmake.in~	2015-08-25 14:49:09.000000000 +0200
+++ kwin-5.4.0/KWinDBusInterfaceConfig.cmake.in	2015-09-06 18:46:57.035641584 +0200
@@ -1,5 +1,5 @@
 @PACKAGE_INIT@
 
-set(KWIN_INTERFACE "${PACKAGE_PREFIX_DIR}/@DBUS_INTERFACES_INSTALL_DIR@/org.kde.KWin.xml")
-set(KWIN_COMPOSITING_INTERFACE "${PACKAGE_PREFIX_DIR}/@DBUS_INTERFACES_INSTALL_DIR@/org.kde.kwin.Compositing.xml")
-set(KWIN_EFFECTS_INTERFACE "${PACKAGE_PREFIX_DIR}/@DBUS_INTERFACES_INSTALL_DIR@/org.kde.kwin.Effects.xml")
+set(KWIN_INTERFACE "@DBUS_INTERFACES_INSTALL_DIR@/org.kde.KWin.xml")
+set(KWIN_COMPOSITING_INTERFACE "@DBUS_INTERFACES_INSTALL_DIR@/org.kde.kwin.Compositing.xml")
+set(KWIN_EFFECTS_INTERFACE "@DBUS_INTERFACES_INSTALL_DIR@/org.kde.kwin.Effects.xml")