diff --git a/gnt.override b/gnt.override
index 0e0894e..81e97f2 100644
--- a/gnt.override
+++ b/gnt.override
@@ -171,10 +171,13 @@ define register_bindings
 static gboolean
 pygnt_binding_callback(GntBindable *bindable, GList *list)
 {
+       PyGILState_STATE state;
+       state = pyg_gil_state_ensure();
        PyObject *wrapper = pygobject_new(G_OBJECT(bindable));
        if (list)
                PyObject_CallMethod(wrapper, list->data, "O", Py_None);
        Py_DECREF(wrapper);
+       pyg_gil_state_release(state);
        return TRUE;
 }