diff --git a/plugins/power/gsd-backlight.c b/plugins/power/gsd-backlight.c
index d7d10fd2..5619d6ad 100644
--- a/plugins/power/gsd-backlight.c
+++ b/plugins/power/gsd-backlight.c
@@ -358,7 +358,7 @@ gsd_backlight_run_set_helper (GsdBacklight *backlight, GTask *task)
                 proc = g_subprocess_new (G_SUBPROCESS_FLAGS_STDOUT_SILENCE,
                                          &error,
                                          "pkexec",
-                                         LIBEXECDIR "/gsd-backlight-helper",
+                                         "/run/current-system/sw/bin/gnome-settings-daemon/gsd-backlight-helper",
                                          g_udev_device_get_sysfs_path (backlight->udev_device),
                                          data->value_str, NULL);
         } else {
diff --git a/plugins/power/org.gnome.settings-daemon.plugins.power.policy.in.in b/plugins/power/org.gnome.settings-daemon.plugins.power.policy.in.in
index f16300f8..79d6bd17 100644
--- a/plugins/power/org.gnome.settings-daemon.plugins.power.policy.in.in
+++ b/plugins/power/org.gnome.settings-daemon.plugins.power.policy.in.in
@@ -25,7 +25,7 @@
       <allow_inactive>no</allow_inactive>
       <allow_active>yes</allow_active>
     </defaults>
-    <annotate key="org.freedesktop.policykit.exec.path">@libexecdir@/gsd-backlight-helper</annotate>
+    <annotate key="org.freedesktop.policykit.exec.path">/run/current-system/sw/bin/gnome-settings-daemon/gsd-backlight-helper</annotate>
   </action>

 </policyconfig>