diff --git a/fluid/function_panel.fl b/fluid/function_panel.fl
index 6e153ded3..faa465e8d 100644
--- a/fluid/function_panel.fl
+++ b/fluid/function_panel.fl
@@ -588,7 +588,7 @@ Function {make_comment_panel()} {open
 Function {type_make_cb(Fl_Widget*,void*d)} {open return_type void
 } {
   code {const char *type_name = (const char*)d;
-if (Fl_Type::current && Fl_Type::current->is_parent())
+if (Fl_Type::current && Fl_Type::current->can_have_children())
   add_new_widget_from_user(type_name, kAddAsLastChild);
 else
   add_new_widget_from_user(type_name, kAddAfterCurrent);} {}