diff --git a/include/fplus/maybe.hpp b/include/fplus/maybe.hpp
index 54758f15..fbe59eac 100644
--- a/include/fplus/maybe.hpp
+++ b/include/fplus/maybe.hpp
@@ -240,7 +240,14 @@ class maybe {
         }
     }
     bool is_present_;
-    typename std::aligned_storage<sizeof(T), alignof(T)>::type value_;
+#ifdef _MSC_VER
+    __pragma(warning(push))
+        __pragma(warning(disable : 4324))
+#endif
+            alignas(T) unsigned char value_[sizeof(T)];
+#ifdef _MSC_VER
+    __pragma(warning(pop))
+#endif
 };
 
 // API search type: is_just : Maybe a -> Bool
diff --git a/include_all_in_one/include/fplus/fplus.hpp b/include_all_in_one/include/fplus/fplus.hpp
index 799b670d..80894cdd 100644
--- a/include_all_in_one/include/fplus/fplus.hpp
+++ b/include_all_in_one/include/fplus/fplus.hpp
@@ -2797,7 +2797,14 @@ class maybe {
         }
     }
     bool is_present_;
-    typename std::aligned_storage<sizeof(T), alignof(T)>::type value_;
+#ifdef _MSC_VER
+    __pragma(warning(push))
+        __pragma(warning(disable : 4324))
+#endif
+            alignas(T) unsigned char value_[sizeof(T)];
+#ifdef _MSC_VER
+    __pragma(warning(pop))
+#endif
 };
 
 // API search type: is_just : Maybe a -> Bool