diff --git a/include/gsl/util b/include/gsl/util
index 3e6466c..f853777 100644
--- a/include/gsl/util
+++ b/include/gsl/util
@@ -53,7 +53,11 @@ class final_action
 {
 public:
     explicit final_action(F f) : f_(std::move(f)) { }
-    ~final_action() noexcept { f_(); }
+    ~final_action() { f_(); }
+
+    final_action(const final_action&) = default;
+    final_action& operator=(const final_action&) = default;
+
 private:
     F f_;
 };