diff --git a/src/bin/e_backlight.c b/src/bin/e_backlight.c
index d2f9964a8..cdb2c6a3f 100644
--- a/src/bin/e_backlight.c
+++ b/src/bin/e_backlight.c
@@ -131,7 +131,7 @@ _backlight_devices_zone_device_find(E_Zone *zone)
 
    id = zone->randr2_id;
    if (!id) id = "/";
-   tmp = strdup(zone->randr2_id);
+   tmp = strdup(id);
    if (!tmp) return NULL;
    sep = strchr(tmp, '/');
    if (!sep)