diff --git a/include/boost/fiber/future/detail/shared_state.hpp b/include/boost/fiber/future/detail/shared_state.hpp
index bc2692ee..658a4bef 100644
--- a/include/boost/fiber/future/detail/shared_state.hpp
+++ b/include/boost/fiber/future/detail/shared_state.hpp
@@ -128,7 +128,7 @@ public:
 
     virtual ~shared_state() noexcept {
         if ( ready_) {
-            //reinterpret_cast< R const* >( storage_)->~R();
+            reinterpret_cast< R const* >( storage_)->~R();
         }
     }