diff --git a/sys/modules/usb/bcm2838_xhci/Makefile b/sys/modules/usb/bcm2838_xhci/Makefile
index 3c90b4c8b32c..cbea037c9351 100644
--- a/sys/modules/usb/bcm2838_xhci/Makefile
+++ b/sys/modules/usb/bcm2838_xhci/Makefile
@@ -1,12 +1,12 @@
 # Copyright (c) 2024 Lexi Winter.
 #
 # SPDX-License-Identifier: BSD-2-Clause
 
 S=	${SRCTOP}/sys
 
 .PATH: $S/arm/broadcom/bcm2835
 
 KMOD=	bcm2838_xhci
-SRCS=	bcm2838_xhci.c
+SRCS=	bcm2838_xhci.c ofw_bus_if.h
 
 .include <bsd.kmod.mk>