diff --git a/lib/vquic/ngtcp2.c b/lib/vquic/ngtcp2.c
index 543c45c435..abce631337 100644
--- a/lib/vquic/ngtcp2.c
+++ b/lib/vquic/ngtcp2.c
@@ -1831,6 +1831,9 @@ static CURLcode ng_flush_egress(struct Curl_easy *data,
     }
     else {
       timeout = expiry - ts;
+      if(timeout % NGTCP2_MILLISECONDS) {
+        timeout += NGTCP2_MILLISECONDS;
+      }
     }
     Curl_expire(data, timeout / NGTCP2_MILLISECONDS, EXPIRE_QUIC);
   }