diff --git a/applications/settings/notification_settings/rgb_backlight.c b/applications/settings/notification_settings/rgb_backlight.c
index a6f0fa68fa4..905ba8e6afd 100644
--- a/applications/settings/notification_settings/rgb_backlight.c
+++ b/applications/settings/notification_settings/rgb_backlight.c
@@ -211,7 +211,7 @@ void rgb_internal_set_mode(uint32_t mode) {
     rgb_settings.internal_mode = (InternalMode)mode;
 }
 
-bool rgb_backlight_connected() {
+bool rgb_backlight_connected(void) {
     for(int i = 0; i < LED_BACKLIGHT_COUNT; i++) {
         for(int rgb = 0; rgb < 3; rgb++) {
             if(rgb_settings.backlight_colors[i][rgb]) {
diff --git a/applications/settings/notification_settings/rgb_backlight.h b/applications/settings/notification_settings/rgb_backlight.h
index 8dedec7e41f..500f78641a5 100644
--- a/applications/settings/notification_settings/rgb_backlight.h
+++ b/applications/settings/notification_settings/rgb_backlight.h
@@ -189,7 +189,7 @@ uint8_t rgb_internal_led_get_count(void);
  * @return true If at least one RGB LED is set to a color.
  * @return false If no RGB LED are set to a color.
  */
-bool rgb_backlight_connected();
+bool rgb_backlight_connected(void);
 
 /**
  * @brief Updates the physical LEDs connected to the vibro pin.