diff --git a/test/cpp/end2end/xds/xds_end2end_test.cc b/test/cpp/end2end/xds/xds_end2end_test.cc
index 428a88c5edc..05fad509a0f 100644
--- a/test/cpp/end2end/xds/xds_end2end_test.cc
+++ b/test/cpp/end2end/xds/xds_end2end_test.cc
@@ -3507,6 +3507,9 @@ int main(int argc, char** argv) {
   // updates from all the subchannels's FDs.
   grpc_core::ConfigVars::Overrides overrides;
   overrides.client_channel_backup_poll_interval_ms = 1;
+  overrides.trace =
+      "call,channel,client_channel,client_channel_call,client_channel_lb_call,"
+      "handshaker";
   grpc_core::ConfigVars::SetOverrides(overrides);
 #if TARGET_OS_IPHONE
   // Workaround Apple CFStream bug