diff --git a/lib/vquic/curl_ngtcp2.c b/lib/vquic/curl_ngtcp2.c
index 2cda65aa03..052f280afc 100644
--- a/lib/vquic/curl_ngtcp2.c
+++ b/lib/vquic/curl_ngtcp2.c
@@ -833,6 +833,9 @@ static ngtcp2_callbacks ng_callbacks = {
   cb_recv_rx_key,
   NULL, /* recv_tx_key */
   NULL, /* early_data_rejected */
+#ifdef NGTCP2_CALLBACKS_V2
+  NULL, /* begin_path_validation */
+#endif
 };
 
 #if defined(_MSC_VER) && defined(_DLL)
@@ -1182,7 +1185,12 @@ static nghttp3_callbacks ngh3_callbacks = {
   NULL, /* end_stream */
   cb_h3_reset_stream,
   NULL, /* shutdown */
-  NULL /* recv_settings */
+  NULL, /* recv_settings */
+#ifdef NGHTTP3_CALLBACKS_V2
+  NULL, /* recv_origin */
+  NULL, /* end_origin */
+  NULL, /* rand */
+#endif
 };
 
 static CURLcode init_ngh3_conn(struct Curl_cfilter *cf,