--- b/meson.build
+++ a/meson.build
@@ -11,7 +11,7 @@
 
 dbus_services_dir = dependency('dbus-1').get_variable(pkgconfig: 'session_bus_services_dir',
                                                                 pkgconfig_define: ['datadir', get_option('datadir')])
-sn_watcher_dir = join_paths(get_option('prefix'), get_option('libdir'), 'xapps')
+sn_watcher_dir = join_paths(get_option('prefix'), get_option('libexecdir'), 'xapps')
 
 cdata = configuration_data()
 cdata.set_quoted('GETTEXT_PACKAGE', 'xapp')