diff --git a/host/src/source.s b/host/src/source.s
index 1087203..72f87e6 100644
--- a/host/src/source.s
+++ b/host/src/source.s
@@ -1,6 +1,3 @@
-;; Neded when vice wants to import labels (for debuging)
-.debuginfo +
-
 ;;; -*- Mode: asm; indent-tabs-mode: t; tab-width: 8 -*-
 .debuginfo      +       ; Generate debug info
 .org $080D
@@ -15,8 +12,11 @@
 .include "mainloop.s"
 .include "loader.s"
 
+;; Note that arithmatic tests may use upp all the memory and the compiler dont complain!
 ;.include "routines/arithmatic/mult_test.s"
 ;.include "routines/arithmatic/div_test.s"
+;.include "routines/arithmatic/div_test_zero.s"
+
 ;.include "routines/circle/circle_test.s"
 ;.include "routines/circle/circle_test_size.s"
 ;.include "routines/circle/circle_test_position.s"