diff --git a/include/wx/gtk/checkbox.h b/include/wx/gtk/checkbox.h
index 26db70bcba..d9edb0a356 100644
--- a/include/wx/gtk/checkbox.h
+++ b/include/wx/gtk/checkbox.h
@@ -18,6 +18,7 @@ class WXDLLIMPEXP_CORE wxCheckBox : public wxCheckBoxBase
 {
 public:
     wxCheckBox();
+    ~wxCheckBox();
     wxCheckBox( wxWindow *parent, wxWindowID id, const wxString& label,
             const wxPoint& pos = wxDefaultPosition,
             const wxSize& size = wxDefaultSize, long style = 0,
diff --git a/src/gtk/checkbox.cpp b/src/gtk/checkbox.cpp
index 6c21e580a2..21c4159d59 100644
--- a/src/gtk/checkbox.cpp
+++ b/src/gtk/checkbox.cpp
@@ -91,6 +91,13 @@ static void gtk_checkbox_toggled_callback(GtkWidget *widget, wxCheckBox *cb)
 
 wxCheckBox::wxCheckBox()
 {
+    m_widgetCheckbox = NULL;
+}
+
+wxCheckBox::~wxCheckBox()
+{
+    if (m_widgetCheckbox && m_widgetCheckbox != m_widget)
+        GTKDisconnect(m_widgetCheckbox);
 }
 
 bool wxCheckBox::Create(wxWindow *parent,