diff --git a/folly/Utility.h b/folly/Utility.h
index 11576ab147d..926d99ff27d 100644
--- a/folly/Utility.h
+++ b/folly/Utility.h
@@ -493,8 +493,8 @@ struct unsafe_default_initialized_cv {
 #if __cpp_lib_is_constant_evaluated >= 201811L
 #if !defined(__MSVC_RUNTIME_CHECKS)
     if (!std::is_constant_evaluated()) {
-      T uninit;
-      return uninit;
+      aligned_storage_for_t<T> uninit;
+      return reinterpret_cast<T&>(uninit);
     }
 #endif // !defined(__MSVC_RUNTIME_CHECKS)
 #endif