diff --git a/app/src/rgb_underglow.c b/app/src/rgb_underglow.c
index 89d886fee57a..5bc6a8277dac 100644
--- a/app/src/rgb_underglow.c
+++ b/app/src/rgb_underglow.c
@@ -32,6 +32,10 @@
 #include <zmk/events/usb_conn_state_changed.h>
 #include <zmk/workqueue.h>
 
+#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_CENTRAL_BATTERY_LEVEL_FETCHING)
+#include <zmk/split/bluetooth/central.h>
+#endif
+
 LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
 
 #if !DT_HAS_CHOSEN(zmk_underglow)