diff --git a/crates/cdk-config/src/aggregator.rs b/crates/cdk-config/src/aggregator.rs
index c38446b3..3a22a382 100644
--- a/crates/cdk-config/src/aggregator.rs
+++ b/crates/cdk-config/src/aggregator.rs
@@ -6,11 +6,11 @@ use url::Url;
 #[derive(Deserialize, Debug, Clone)]
 pub struct Aggregator {
     #[serde(rename = "ChainID")]
-    pub chain_id: u64,
+    pub chain_id: String,
     #[serde(rename = "Host")]
     pub host: String,
     #[serde(rename = "Port")]
-    pub port: u16,
+    pub port: String,
     #[serde(rename = "RetryTime")]
     pub retry_time: String,
     #[serde(rename = "VerifyProofInterval")]
@@ -58,9 +58,9 @@ impl Default for Aggregator {
     fn default() -> Self {
         // Values are coming from https://github.com/0xPolygon/agglayer/blob/main/config/default.go#L11
         Self {
-            chain_id: 1,
+            chain_id: "1".to_string(),
             host: "localhost".to_string(),
-            port: 8545,
+            port: "8545".to_string(),
             retry_time: "10s".to_string(),
             verify_proof_interval: "1m".to_string(),
             proof_state_polling_interval: "10s".to_string(),
diff --git a/crates/cdk-config/src/l1.rs b/crates/cdk-config/src/l1.rs
index 8add81f2..55fb2fb6 100644
--- a/crates/cdk-config/src/l1.rs
+++ b/crates/cdk-config/src/l1.rs
@@ -5,7 +5,7 @@ use serde::Deserialize;
 #[derive(Deserialize, Debug, Clone)]
 pub struct L1 {
     #[serde(rename = "L1ChainID")]
-    pub l1_chain_id: u64,
+    pub l1_chain_id: String,
     #[serde(rename = "PolAddr")]
     pub pol_addr: Address,
     #[serde(rename = "ZkEVMAddr")]
@@ -21,7 +21,7 @@ impl Default for L1 {
     fn default() -> Self {
         // Values are coming from https://github.com/0xPolygon/agglayer/blob/main/config/default.go#L11
         Self {
-            l1_chain_id: 1337,
+            l1_chain_id: "1337".to_string(),
             pol_addr: "0x5b06837A43bdC3dD9F114558DAf4B26ed49842Ed"
                 .parse()
                 .unwrap(),
diff --git a/crates/cdk/src/cli.rs b/crates/cdk/src/cli.rs
index 8087eb8b..2b18d92e 100644
--- a/crates/cdk/src/cli.rs
+++ b/crates/cdk/src/cli.rs
@@ -11,8 +11,7 @@ pub(crate) struct Cli {
         long,
         short,
         value_hint = ValueHint::FilePath,
-        global = true,
-        required = true,
+        // global = true,
         env = "CDK_CONFIG_PATH"
     )]
     pub(crate) config: PathBuf,
@@ -22,8 +21,7 @@ pub(crate) struct Cli {
         long,
         short = 'g',
         value_hint = ValueHint::FilePath,
-        global = true,
-        required = true,
+        // global = true,
         env = "CDK_GENESIS_PATH"
     )]
     pub(crate) chain: PathBuf,
diff --git a/crates/cdk/src/config_render.rs b/crates/cdk/src/config_render.rs
index 69fc2e57..1eda037f 100644
--- a/crates/cdk/src/config_render.rs
+++ b/crates/cdk/src/config_render.rs
@@ -3,42 +3,41 @@ use std::fs;
 use std::path::PathBuf;
 use tempfile::{tempdir, TempDir};
 
-pub fn render(chain_id: u64, _genesis_file: PathBuf) -> Result<TempDir, Error> {
+pub fn render(chain_id: String, _genesis_file: PathBuf) -> Result<TempDir, Error> {
     // Create a temporary directory
     let tmp_dir = tempdir()?;
 
     let res = crate::allocs_render::render_allocs("./tmp/cdk/genesis/genesis.json")?;
     // Write the three files to disk
     fs::write(
-        tmp_dir.path().join(format!(
-            "dynamic-{}-allocs.json",
-            chain_id.to_string().clone()
-        )),
+        tmp_dir
+            .path()
+            .join(format!("dynamic-{}-allocs.json", chain_id.clone())),
         res.output,
     )?;
     fs::write(
         tmp_dir
             .path()
-            .join(format!("dynamic-{}-chainspec.json", chain_id.to_string())),
-        render_chainspec(chain_id),
+            .join(format!("dynamic-{}-chainspec.json", chain_id.clone())),
+        render_chainspec(chain_id.clone()),
     )?;
     fs::write(
         tmp_dir
             .path()
-            .join(format!("dynamic-{}-conf.json", chain_id.to_string())),
+            .join(format!("dynamic-{}-conf.json", chain_id.clone())),
         render_conf(res.wrapper.root, 1000000000000000000),
     )?;
     fs::write(
         tmp_dir
             .path()
-            .join(format!("dynamic-{}.yaml", chain_id.to_string())),
+            .join(format!("dynamic-{}.yaml", chain_id.clone())),
         render_yaml(chain_id),
     )?;
 
     Ok(tmp_dir)
 }
 
-fn render_chainspec(chain_id: u64) -> String {
+fn render_chainspec(chain_id: String) -> String {
     format!(
         r#"
 {{
@@ -85,7 +84,7 @@ fn render_conf(root: String, gas_limit: u64) -> String {
 }
 
 // render_config renders the configuration file for the Erigon node.
-fn render_yaml(chain_id: u64) -> String {
+fn render_yaml(chain_id: String) -> String {
     format!(
         r#"
 datadir: ./data/dynamic-{}
diff --git a/crates/cdk/src/main.rs b/crates/cdk/src/main.rs
index e7917f1c..ef474298 100644
--- a/crates/cdk/src/main.rs
+++ b/crates/cdk/src/main.rs
@@ -94,7 +94,8 @@ pub fn node(config_path: PathBuf) -> anyhow::Result<()> {
 /// This function starts everything needed to run an Erigon node.
 pub fn erigon(config: Config, genesis_file: PathBuf) -> anyhow::Result<()> {
     // Render configuration files
-    let erigon_config_path = config_render::render(config.aggregator.chain_id, genesis_file)?;
+    let erigon_config_path =
+        config_render::render(config.aggregator.chain_id.clone(), genesis_file)?;
 
     debug!("Starting erigon with config: {:?}", erigon_config_path);