diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index 85d176f8c124..3d8152e9d5ae 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -3054,7 +3054,7 @@ vfs_sysctl(SYSCTL_HANDLER_ARGS)
 	struct vfsconf *vfsp;
 	struct xvfsconf xvfsp;
 
-	printf("WARNING: userland calling deprecated sysctl, "
+	log(LOG_WARNING, "userland calling deprecated sysctl, "
 	    "please rebuild world\n");
 
 #if 1 || defined(COMPAT_PRELITE2)