diff --git a/modules/backlight.c b/modules/backlight.c
index 0b6c6ef..7a3e08d 100644
--- a/modules/backlight.c
+++ b/modules/backlight.c
@@ -44,9 +44,9 @@ content(struct module *mod)
     mtx_lock(&mod->lock);
     struct tag_set tags = {
         .tags = (struct tag *[]){
-            tag_new_int_range(mod, "brightness", m->current_brightness,
-                              0, m->max_brightness),
-            tag_new_int(mod, "max_brightness", m->max_brightness),
+            tag_new_int_range(
+                mod, "brightness", m->current_brightness, 0, m->max_brightness),
+            tag_new_int_range(mod, "percent", 100 * m->current_brightness / m->max_brightness, 0, 100),
         },
         .count = 2,
     };