diff --git a/juci/source.h b/juci/source.h
index 062106f..cab4d5d 100644
--- a/juci/source.h
+++ b/juci/source.h
@@ -60,6 +60,7 @@ namespace Source {
   class View : public Gtk::TextView {
   public:
     View();
+    virtual ~View() { }
     void ApplyConfig(const Config &config);
     void OnLineEdit(const std::vector<Range> &locations,
                     const Config &config);
diff --git a/juci/window.h b/juci/window.h
index 3e968dc..e9c5424 100644
--- a/juci/window.h
+++ b/juci/window.h
@@ -13,7 +13,7 @@ public:
   MainConfig& main_config() { return main_config_; }
   // std::string  OnSaveFileAs();
   Gtk::Box window_box_;
-
+  virtual ~Window() { }
 
   
 //private: