diff --git a/plugins/lxc/lxc-multigraph b/plugins/lxc/lxc-multigraph
index 102349e9..4b2bbe67 100755
--- a/plugins/lxc/lxc-multigraph
+++ b/plugins/lxc/lxc-multigraph
@@ -81,6 +81,9 @@ or GPLv3 license or later, at your option
 
 =cut
 
+set -eu
+
+
 . "$MUNIN_LIBDIR/plugins/plugin.sh"