diff --git a/compiler/loadcom.lisp b/compiler/loadcom.lisp
index 1b0d0958470c3101d8950a398b562109db5f8809..18c952bfe25a337a5df9b55f0d7758bbcd4d9132 100644
--- a/compiler/loadcom.lisp
+++ b/compiler/loadcom.lisp
@@ -122,7 +122,7 @@
 (progn
   #+rt-target
   (load "assem:assembler" :verbose t)
-  (%proclaim '(optimize (debug-info 0)))
+  (%proclaim '(optimize (debug-info 2)))
 
   (setq *info-environment*
 	(list (make-info-environment :name "Working")