diff --git a/expected.hpp b/expected.hpp
index ae9a0dd2..18ec55bf 100644
--- a/expected.hpp
+++ b/expected.hpp
@@ -11,6 +11,7 @@
 #include <exception>
 #include <functional>
 
+
 ///////////////////////////////////////////////////////////////////////////////
 namespace cruft {
     class bad_expected_access : public std::exception {
@@ -45,10 +46,16 @@ namespace cruft {
         using error_type = ErrorT;
 
         expected () = delete;
-        expected (expected &&) = default;
-        expected& operator=(expected &&) = default;
-        expected (expected const&) = default;
-        expected& operator=(expected const&) = default;
+        expected (expected &&);
+        expected& operator=(expected &&);
+        expected (expected const&);
+        expected& operator=(expected const&);
+
+        expected (ValueT const &_value)
+        {
+            ::new (&m_store.value) ValueT (_value);
+            m_valid = true;
+        }
 
         expected (ValueT &&_value)
         {