diff --git a/src/config.rs b/src/config.rs
index d5f2c1d..02f3bfa 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -98,6 +98,9 @@ pub struct Cli {
     /// Override log format (json, pretty)
     #[arg(long)]
     pub log_format: Option<String>,
+
+    #[arg(short = 'p', long, default_value = "42069")]
+    pub port: u16,
 }
 
 impl Config {
diff --git a/src/main.rs b/src/main.rs
index 5d22a7f..93d3e57 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -66,7 +66,7 @@ async fn main() -> Result<()> {
     );
 
     tracing::info!("Block monitor initialized, starting main loop");
-    let addr: SocketAddr = "0.0.0.0:7878".parse().unwrap();
+    let addr: SocketAddr = format!("0.0.0.0:{}", cli.port).parse().unwrap();
 
     let rpc_handle = tokio::spawn(RpcServer::new().start_server(addr));
     // Run until cancelled