--- newt-0.52.2/checkboxtree.c.cbtpos	2006-06-07 16:04:35.000000000 +0200
+++ newt-0.52.2/checkboxtree.c	2006-06-08 13:28:31.000000000 +0200
@@ -334,6 +334,8 @@
     ct = malloc(sizeof(struct CheckboxTree));
     co->callback = NULL;
     co->data = ct;
+    co->left = left;
+    co->top = top;
     co->ops = &ctOps;
     co->takesFocus = 1;
     co->height = height;