diff --git a/bin/lib.sh b/bin/lib.sh
index 215e1509..a31f9a5f 100644
--- a/bin/lib.sh
+++ b/bin/lib.sh
@@ -49,7 +49,7 @@ stderr()
 
 exit_non_zero()
 {
-  kill -INT $$
+  exit 42
 }
 
 containers_down()