diff --git a/src/common/dpp.h b/src/common/dpp.h
index b2b97614b..6ee3bee47 100644
--- a/src/common/dpp.h
+++ b/src/common/dpp.h
@@ -323,6 +323,7 @@ enum dpp_test_behavior {
 	DPP_TEST_INVALID_CONNECTOR_PEER_DISC_RESP = 79,
 	DPP_TEST_INVALID_CONNECTOR_PEER_DISC_REQ = 80,
 	DPP_TEST_INVALID_I_NONCE_AUTH_REQ = 81,
+	DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ = 82,
 };
 
 extern enum dpp_test_behavior dpp_test;
diff --git a/wpa_supplicant/dpp_supplicant.c b/wpa_supplicant/dpp_supplicant.c
index a6b1a58d7..42c102864 100644
--- a/wpa_supplicant/dpp_supplicant.c
+++ b/wpa_supplicant/dpp_supplicant.c
@@ -2268,6 +2268,12 @@ int wpas_dpp_check_connect(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
 		wpa_printf(MSG_INFO, "DPP: TESTING - no Transaction ID");
 		goto skip_trans_id;
 	}
+	if (dpp_test == DPP_TEST_INVALID_TRANSACTION_ID_PEER_DISC_REQ) {
+		wpa_printf(MSG_INFO, "DPP: TESTING - invalid Transaction ID");
+		wpabuf_put_le16(msg, DPP_ATTR_TRANSACTION_ID);
+		wpabuf_put_le16(msg, 0);
+		goto skip_trans_id;
+	}
 #endif /* CONFIG_TESTING_OPTIONS */
 
 	/* Transaction ID */