diff --git a/quiche/quic/qbone/qbone_session_test.cc b/quiche/quic/qbone/qbone_session_test.cc
index 5ccf370..3e2e8d1 100644
--- a/quiche/quic/qbone/qbone_session_test.cc
+++ b/quiche/quic/qbone/qbone_session_test.cc
@@ -48,6 +48,7 @@
 }
 
 ParsedQuicVersionVector GetTestParams() {
+  SetQuicReloadableFlag(quic_disable_version_q046, false);
   ParsedQuicVersionVector test_versions;
 
   // TODO(b/113130636): Make QBONE work with TLS.