1 files changed, 1 insertions, 1 deletions

diff --git a/firmware/export/backlight.h b/firmware/export/backlight.h
index 19e5f9b91b..a1c65a3b4e 100644
--- a/firmware/export/backlight.h
+++ b/firmware/export/backlight.h
@@ -57,7 +57,7 @@ void backlight_set_on_button_hold(int index);
 #endif
 
 #if defined(HAVE_LCD_SLEEP) && defined(HAVE_LCD_SLEEP_SETTING)
-void lcd_set_sleep_after_backlight_off(int index);
+void lcd_set_sleep_after_backlight_off(int timeout_seconds);
 #endif
 
 #else /* !HAVE_BACKLIGHT */