1 files changed, 3 insertions, 3 deletions
diff --git a/test/core/channel/channel_stack_test.cc b/test/core/channel/channel_stack_test.cc
index 1b661ac2f4..988ea9bac9 100644
--- a/test/core/channel/channel_stack_test.cc
+++ b/test/core/channel/channel_stack_test.cc
@@ -74,8 +74,8 @@ static void free_channel(grpc_exec_ctx* exec_ctx, void* arg,
 }
 
 static void free_call(grpc_exec_ctx* exec_ctx, void* arg, grpc_error* error) {
-  grpc_call_stack_destroy(exec_ctx, static_cast<grpc_call_stack*>(arg), NULL,
-                          NULL);
+  grpc_call_stack_destroy(exec_ctx, static_cast<grpc_call_stack*>(arg), nullptr,
+                          nullptr);
   gpr_free(arg);
 }
 
@@ -114,7 +114,7 @@ static void test_create_channel_stack(void) {
   channel_stack = static_cast<grpc_channel_stack*>(
       gpr_malloc(grpc_channel_stack_size(&filters, 1)));
   grpc_channel_stack_init(&exec_ctx, 1, free_channel, channel_stack, &filters,
-                          1, &chan_args, NULL, "test", channel_stack);
+                          1, &chan_args, nullptr, "test", channel_stack);
   GPR_ASSERT(channel_stack->count == 1);
   channel_elem = grpc_channel_stack_element(channel_stack, 0);
   channel_data = (int*)channel_elem->channel_data;