diff --git a/src/widgets/arc-toolbar.cpp b/src/widgets/arc-toolbar.cpp
index d19b8672c44c830327de0132a842565c8d0a74de..23ecad50a38afeb0ccb4215c9d0b9139e56196eb 100644
--- a/src/widgets/arc-toolbar.cpp
+++ b/src/widgets/arc-toolbar.cpp
@@ -596,8 +596,10 @@ static void arc_toolbox_check_ec(SPDesktop* desktop, Inkscape::UI::Tools::ToolBa
         changed = desktop->getSelection()->connectChanged(sigc::bind(sigc::ptr_fun(sp_arc_toolbox_selection_changed), holder));
         sp_arc_toolbox_selection_changed(desktop->getSelection(), holder);
     } else {
-        if (changed)
+        if (changed) {
             changed.disconnect();
+            purge_repr_listener(NULL, holder);
+        }
     }
 }