diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index 3970dc40b..d7f7473f7 100644
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -1477,6 +1477,7 @@ static void wpas_sd_req_upnp(struct wpa_supplicant *wpa_s,
 			break;
 		wpabuf_put_str(resp, usrv->service);
 	}
+	os_free(str);
 
 	if (count == 0) {
 		wpa_printf(MSG_DEBUG, "P2P: Requested UPnP service not "