diff --git a/lib/libkvm/kvm_i386.c b/lib/libkvm/kvm_i386.c
index 37f5cad25316..6e66a342e5c7 100644
--- a/lib/libkvm/kvm_i386.c
+++ b/lib/libkvm/kvm_i386.c
@@ -51,6 +51,7 @@ static char sccsid[] = "@(#)kvm_hp300.c	8.1 (Berkeley) 6/4/93";
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <vm/vm.h>
 #include <kvm.h>
 
 #ifdef __i386__