diff --git a/lam-packaging/debian/config b/lam-packaging/debian/config
index 5a90d970..e515364a 100755
--- a/lam-packaging/debian/config
+++ b/lam-packaging/debian/config
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 . /usr/share/debconf/confmodule
 db_version 2.0 || [ 0 -lt 30 ]