diff -rupN switchboard-plug-parental-controls.orig/data/CMakeLists.txt switchboard-plug-parental-controls/data/CMakeLists.txt
--- switchboard-plug-parental-controls.orig/data/CMakeLists.txt	2017-05-01 22:50:23.207664431 +0200
+++ switchboard-plug-parental-controls/data/CMakeLists.txt	2017-05-01 22:50:42.357135219 +0200
@@ -7,4 +7,4 @@ install (FILES ${CMAKE_CURRENT_BINARY_DI
 install (FILES ${CMAKE_CURRENT_BINARY_DIR}/org.pantheon.ParentalControls.service DESTINATION share/dbus-1/system-services)
 install (FILES org.pantheon.ParentalControls.conf DESTINATION /etc/dbus-1/system.d)
 install (FILES pantheon-parental-controls-client.desktop DESTINATION share/applications)
-install (FILES ${CMAKE_CURRENT_BINARY_DIR}/data/pantheon-parental-controls.service DESTINATION /lib/systemd/system)
+install (FILES ${CMAKE_CURRENT_BINARY_DIR}/data/pantheon-parental-controls.service DESTINATION lib/systemd/system)