1 files changed, 9 insertions, 1 deletions
diff --git a/src/libs/gui/ControlGroups.cpp b/src/libs/gui/ControlGroups.cpp
index 14d67870..5098c3f8 100644
--- a/src/libs/gui/ControlGroups.cpp
+++ b/src/libs/gui/ControlGroups.cpp
@@ -43,6 +43,14 @@ ControlGroup::ControlGroup(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Gl
   _enable_signal(false)
 {
 }
+	
+
+ControlGroup::~ControlGroup()
+{
+	_enable_signal = false;
+	_control_connection.disconnect();
+	_port_model.reset();
+}
 
 
 void
@@ -54,7 +62,7 @@ ControlGroup::init(ControlPanel* panel, SharedPtr<PortModel> pm)
 	assert(_port_model);
 	assert(panel);
 
-	pm->control_change_sig.connect(sigc::mem_fun(this, &ControlGroup::set_value));
+	_control_connection = pm->control_change_sig.connect(sigc::mem_fun(this, &ControlGroup::set_value));
 }