diff --git a/sys/arm/allwinner/aw_nmi.c b/sys/arm/allwinner/aw_nmi.c
index a8b4598ea473..956f7a4c0ca8 100644
--- a/sys/arm/allwinner/aw_nmi.c
+++ b/sys/arm/allwinner/aw_nmi.c
@@ -35,6 +35,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/kernel.h>
 #include <sys/module.h>
 #include <sys/proc.h>
+#include <sys/rman.h>
 #include <machine/bus.h>
 #include <machine/intr.h>