diff --git a/sys/i386/isa/tw.c b/sys/i386/isa/tw.c
index ce98e65dfeb..40dd43a215e 100644
--- a/sys/i386/isa/tw.c
+++ b/sys/i386/isa/tw.c
@@ -1165,4 +1165,4 @@ static void 	tw_drvinit(void *unused)
 SYSINIT(twdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,tw_drvinit,NULL)
 
 
-#endif NTW
+#endif /* NTW */