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-rw-r--r--src/h2load_quic.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/h2load_quic.cc b/src/h2load_quic.cc
index e492a3e..8b3c552 100644
--- a/src/h2load_quic.cc
+++ b/src/h2load_quic.cc
@@ -654,7 +654,8 @@ int Client::write_quic() {
ngtcp2_conn_get_path_max_tx_udp_payload_size(quic.conn);
#endif // UDP_SEGMENT
auto max_pktcnt =
- ngtcp2_conn_get_send_quantum(quic.conn) / max_udp_payload_size;
+ std::max(ngtcp2_conn_get_send_quantum(quic.conn) / max_udp_payload_size,
+ static_cast<size_t>(1));
uint8_t *bufpos = quic.tx.data.get();
ngtcp2_path_storage ps;
size_t gso_size = 0;