diff --git a/src/gui/widgets/combobox.cpp b/src/gui/widgets/combobox.cpp
index 02d1616506b4..f684cb52787e 100644
--- a/src/gui/widgets/combobox.cpp
+++ b/src/gui/widgets/combobox.cpp
@@ -144,6 +144,9 @@ void tcombobox::signal_handler_left_button_click(const event::tevent event,
 	if(droplist.show(get_window()->video())) {
 		selected_ = droplist.selected_item();
 		this->set_label(values_[selected_]);
+		if(selected_callback_) {
+			selected_callback_(*this);
+		}
 		if(retval_ != 0) {
 			twindow* window = get_window();
 			if(window) {
diff --git a/src/gui/widgets/combobox.hpp b/src/gui/widgets/combobox.hpp
index ef2d7863ae3f..5dad1ae803f8 100644
--- a/src/gui/widgets/combobox.hpp
+++ b/src/gui/widgets/combobox.hpp
@@ -72,6 +72,13 @@ class tcombobox : public tcontrol, public tclickable_, public tselectable_
 
 	/** Inherited from tselectable_ */
 	virtual unsigned num_states() const OVERRIDE { return values_.size(); }
+
+	/** Inherited from tselectable_ */
+	virtual void set_callback_state_change(boost::function<void(twidget&)> callback)
+	{
+		selected_callback_ = callback;
+	}
+
 private:
 	/**
 	 * Possible states of the widget.
@@ -108,6 +115,9 @@ class tcombobox : public tcontrol, public tclickable_, public tselectable_
 	/**
 	 */
 	int selected_;
+
+	boost::function<void(twidget&)> selected_callback_;
+
 	/** See @ref tcontrol::get_control_type. */
 	virtual const std::string& get_control_type() const OVERRIDE;