diff --git a/test/core/end2end/tests/channelz.cc b/test/core/end2end/tests/channelz.cc
index b0ffe7ccb82..a812994435e 100644
--- a/test/core/end2end/tests/channelz.cc
+++ b/test/core/end2end/tests/channelz.cc
@@ -199,11 +199,12 @@ static void run_one_request(grpc_end2end_test_config config,
 static void test_channelz(grpc_end2end_test_config config) {
   grpc_end2end_test_fixture f;
 
-  grpc_arg arg[2];
-  arg[0] = grpc_channel_arg_integer_create(
-      const_cast<char*>(GRPC_ARG_MAX_CHANNEL_TRACE_EVENT_MEMORY_PER_NODE), 0);
-  arg[1] = grpc_channel_arg_integer_create(
-      const_cast<char*>(GRPC_ARG_ENABLE_CHANNELZ), true);
+  grpc_arg arg[] = {
+      grpc_channel_arg_integer_create(
+          const_cast<char*>(GRPC_ARG_MAX_CHANNEL_TRACE_EVENT_MEMORY_PER_NODE),
+          0),
+      grpc_channel_arg_integer_create(
+          const_cast<char*>(GRPC_ARG_ENABLE_CHANNELZ), true)};
   grpc_channel_args args = {GPR_ARRAY_SIZE(arg), arg};
 
   f = begin_test(config, "test_channelz", &args, &args);