diff --git a/source/mijin/container/boxed_object.hpp b/source/mijin/container/boxed_object.hpp
index f9365b7..a2d1991 100644
--- a/source/mijin/container/boxed_object.hpp
+++ b/source/mijin/container/boxed_object.hpp
@@ -68,12 +68,12 @@ public:
     BoxedObject(const BoxedObject&) = delete;
     BoxedObject(BoxedObject&&) = delete;
 
-#if MIJIN_BOXED_OBJECT_DEBUG
     constexpr ~BoxedObject() noexcept
     {
+#if MIJIN_BOXED_OBJECT_DEBUG
         MIJIN_ASSERT(!constructed, "BoxedObject::~BoxedObject(): Object has not been destroyed prior to destructor!");
-    }
 #endif
+    }
 
     BoxedObject& operator=(const BoxedObject&) = delete;
     BoxedObject& operator=(BoxedObject&&) = delete;