--- /dev/null
+--- 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")