diff --git a/config/snekbox.cfg b/config/snekbox.cfg
index 5458bb38..c4187781 100644
--- a/config/snekbox.cfg
+++ b/config/snekbox.cfg
@@ -65,6 +65,7 @@ mount {
     dst: "/lib64"
     is_bind: true
     rw: false
+    mandatory: false
 }
 
 mount {