diff --git a/wpa_supplicant/interworking.c b/wpa_supplicant/interworking.c
index b30c9a837..9e040a0db 100644
--- a/wpa_supplicant/interworking.c
+++ b/wpa_supplicant/interworking.c
@@ -2102,6 +2102,7 @@ int interworking_select(struct wpa_supplicant *wpa_s, int auto_select)
 	wpa_s->normal_scans = 0;
 	wpa_s->scan_req = MANUAL_SCAN_REQ;
 	wpa_s->after_wps = 0;
+	wpa_s->known_wps_freq = 0;
 	wpa_supplicant_req_scan(wpa_s, 0, 0);
 
 	return 0;