diff --git a/countess/gui/main.py b/countess/gui/main.py
index 8465b34..d08468a 100644
--- a/countess/gui/main.py
+++ b/countess/gui/main.py
@@ -468,6 +468,7 @@ def node_select(self, node):
             new_config_wrapper = ConfiguratorWrapper(self.main_subframe, node, self.logger, self.node_changed)
             if self.config_wrapper:
                 self.main_subframe.replace_child(self.config_wrapper.frame, new_config_wrapper.frame)
+                self.config_wrapper.destroy()
             else:
                 self.main_subframe.add_child(new_config_wrapper.frame, weight=4)