diff --git a/ansible/inventories/devnet-0/group_vars/all/all.yaml b/ansible/inventories/devnet-0/group_vars/all/all.yaml
index b99ee71..6a7bcaf 100644
--- a/ansible/inventories/devnet-0/group_vars/all/all.yaml
+++ b/ansible/inventories/devnet-0/group_vars/all/all.yaml
@@ -44,7 +44,7 @@ checkpoint_sync_url_kube: https://<path:/secrets/services/services.enc.yaml#ethe
 ethereum_genesis_generator_container_image: "{{ default_tooling_images.ethereum_genesis_generator }}"
 ethereum_genesis_generator_version: "{{ ethereum_genesis_generator_container_image.split(':')[-1] }}"
 ethereum_genesis_network_seed: "template-devnet-0"
-ethereum_genesis_chain_id: "70{{ 99999999 | random(start=10000000, seed=ethereum_genesis_network_seed) }}"
+ethereum_genesis_chain_id: "70{{ 9999999 | random(start=1000000, seed=ethereum_genesis_network_seed) }}"
 ethereum_genesis_fork_version_suffix: "{{ 999999 | random(start=100000, seed=ethereum_genesis_network_seed) }}"
 ethereum_genesis_generator_output_dir: "../network-configs/{{ network_iteration }}"
 ethereum_genesis_timestamp: "{{ lookup('ansible.builtin.pipe', '{{ ethereum_genesis_timestamp_relative_cmd[ansible_system] }}') }}"