diff --git a/src/wsc.c b/src/wsc.c
index cb2e2c3e..b063313a 100644
--- a/src/wsc.c
+++ b/src/wsc.c
@@ -382,7 +382,9 @@ static int wsc_enrollee_connect(struct wsc_enrollee *wsce, struct scan_bss *bss,
 	if (ies_num)
 		memcpy(ie_iov + 1, ies, sizeof(struct iovec) * ies_num);
 
-	r = netdev_connect(wsce->netdev, bss, hs, ie_iov, 1 + ies_num,
+	handshake_state_set_vendor_ies(hs, ie_iov, 1 + ies_num);
+
+	r = netdev_connect(wsce->netdev, bss, hs, NULL, 0,
 				wsc_enrollee_netdev_event,
 				wsc_enrollee_connect_cb, wsce);
 	l_free(ie_iov[0].iov_base);