diff --git a/molecule/default/converge.yml b/molecule/default/converge.yml
index 3fa8f74..b61f60c 100644
--- a/molecule/default/converge.yml
+++ b/molecule/default/converge.yml
@@ -5,5 +5,7 @@
   roles:
     - role: ipr-cnrs.nftables
       nft_debug: true
+      # can't remove iptables on an instance with docker
+      nft_old_pkg_manage: false