--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -450,6 +450,9 @@ static int hostapd_ctrl_iface_wps_ap_pin
 	char *pos;
 	const char *pin_txt;
 
+	if (!hapd->wps)
+		return -1;
+
 	pos = os_strchr(txt, ' ');
 	if (pos)
 		*pos++ = '\0';
