Move arguments to the start of lists
diff --git a/test/core/bad_client/bad_client.c b/test/core/bad_client/bad_client.c
index 7661aec..0b59aa3 100644
--- a/test/core/bad_client/bad_client.c
+++ b/test/core/bad_client/bad_client.c
@@ -63,7 +63,7 @@
 }
 
 static void
-done_write (void *arg, int success, grpc_closure_list * closure_list)
+done_write (grpc_exec_ctx * exec_ctx, void *arg, int success)
 {
   thd_args *a = arg;
   gpr_event_set (&a->done_write, (void *) 1);