diff --git a/tools/setup.lisp b/tools/setup.lisp
index 0fe49b0dfc5a3b6d9080d5b53f322792823ad546..6e8dfef53924b5977ccfea09ab69b0f7458eafdf 100644
--- a/tools/setup.lisp
+++ b/tools/setup.lisp
@@ -38,6 +38,12 @@
 	  entry-node-info-st-top entry-node-info-nlx-tag
 	  *compile-time-define-macros*))
 
+#-new-compiler
+(in-package "DEBUG")
+#-new-compiler
+(export '(var arg))
+
+
 #-new-compiler
 (setq clc::*peep-enable* t)
 #-new-compiler