diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 3ed16a89b5d8cc0cce11d459748a6627e7c163e9..2031ce4051dc0ae787e56bb3ce74f15893fb8d87 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -655,8 +655,10 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 			break;
 		ppp_lock(ppp);
 		cflags = ppp->flags & ~val;
+#ifdef CONFIG_PPP_MULTILINK
 		if (!(ppp->flags & SC_MULTILINK) && (val & SC_MULTILINK))
 			ppp->nextseq = 0;
+#endif
 		ppp->flags = val & SC_FLAG_BITS;
 		ppp_unlock(ppp);
 		if (cflags & SC_CCP_OPEN)