diff --git a/libcxx/include/__atomic/atomic_ref.h b/libcxx/include/__atomic/atomic_ref.h
index 2849b82e1a3dd..b0180a37ab500 100644
--- a/libcxx/include/__atomic/atomic_ref.h
+++ b/libcxx/include/__atomic/atomic_ref.h
@@ -57,11 +57,6 @@ struct __get_aligner_instance {
 
 template <class _Tp>
 struct __atomic_ref_base {
-protected:
-  _Tp* __ptr_;
-
-  _LIBCPP_HIDE_FROM_ABI __atomic_ref_base(_Tp& __obj) : __ptr_(std::addressof(__obj)) {}
-
 private:
   _LIBCPP_HIDE_FROM_ABI static _Tp* __clear_padding(_Tp& __val) noexcept {
     _Tp* __ptr = std::addressof(__val);
@@ -108,10 +103,14 @@ struct __atomic_ref_base {
 
   friend struct __atomic_waitable_traits<__atomic_ref_base<_Tp>>;
 
+  // require types that are 1, 2, 4, 8, or 16 bytes in length to be aligned to at least their size to be potentially
+  // used lock-free
+  static constexpr size_t __min_alignment = (sizeof(_Tp) & (sizeof(_Tp) - 1)) || (sizeof(_Tp) > 16) ? 0 : sizeof(_Tp);
+
 public:
   using value_type = _Tp;
 
-  static constexpr size_t required_alignment = alignof(_Tp);
+  static constexpr size_t required_alignment = alignof(_Tp) > __min_alignment ? alignof(_Tp) : __min_alignment;
 
   // The __atomic_always_lock_free builtin takes into account the alignment of the pointer if provided,
   // so we create a fake pointer with a suitable alignment when querying it. Note that we are guaranteed
@@ -218,6 +217,12 @@ struct __atomic_ref_base {
   }
   _LIBCPP_HIDE_FROM_ABI void notify_one() const noexcept { std::__atomic_notify_one(*this); }
   _LIBCPP_HIDE_FROM_ABI void notify_all() const noexcept { std::__atomic_notify_all(*this); }
+
+protected:
+  typedef _Tp _Aligned_Tp __attribute__((aligned(required_alignment)));
+  _Aligned_Tp* __ptr_;
+
+  _LIBCPP_HIDE_FROM_ABI __atomic_ref_base(_Tp& __obj) : __ptr_(std::addressof(__obj)) {}
 };
 
 template <class _Tp>
diff --git a/libcxx/test/std/atomics/atomics.ref/is_always_lock_free.pass.cpp b/libcxx/test/std/atomics/atomics.ref/is_always_lock_free.pass.cpp
index acdbf63a24d85..78e46c0397951 100644
--- a/libcxx/test/std/atomics/atomics.ref/is_always_lock_free.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.ref/is_always_lock_free.pass.cpp
@@ -54,7 +54,7 @@ void check_always_lock_free(std::atomic_ref<T> const& a) {
 #define CHECK_ALWAYS_LOCK_FREE(T)                                                                                      \
   do {                                                                                                                 \
     typedef T type;                                                                                                    \
-    type obj{};                                                                                                        \
+    alignas(std::atomic_ref<type>::required_alignment) type obj{};                                                     \
     std::atomic_ref<type> a(obj);                                                                                      \
     check_always_lock_free(a);                                                                                         \
   } while (0)