diff --git a/test/function_n_test.cpp b/test/function_n_test.cpp
index 5d8d0d5..cdd7145 100644
--- a/test/function_n_test.cpp
+++ b/test/function_n_test.cpp
@@ -651,6 +651,8 @@ struct MyLargeFunctor {
   MyLargeFunctor(const MyLargeFunctor &) { ++construction_count; }
   ~MyLargeFunctor() { ++destruction_count; }
   int operator()() { return 0; }
+
+  float data[128];
  };
 
 void test_construct_destroy_count()