diff --git a/tools/hemcom.lisp b/tools/hemcom.lisp
index c3c62a66a2abffc01db60c0c469264951b1dc897..6dea36322a4979da42082ea692271cfcd76747d3 100644
--- a/tools/hemcom.lisp
+++ b/tools/hemcom.lisp
@@ -157,6 +157,7 @@
 (comf "target:hemlock/lisp-lib")
 (comf "target:hemlock/completion")
 (comf "target:hemlock/shell")
+(comf "target:hemlock/debug")
     ); WITH-COMPILATION-UNIT for commands
 
 (comf "target:hemlock/bindings")