diff --git a/beacon_node/network/src/service/tests.rs b/beacon_node/network/src/service/tests.rs
index 0c51be38a8f..23bcf456dee 100644
--- a/beacon_node/network/src/service/tests.rs
+++ b/beacon_node/network/src/service/tests.rs
@@ -60,7 +60,7 @@ mod tests {
         );
 
         let mut config = NetworkConfig::default();
-        config.set_ipv4_listening_address(std::net::Ipv4Addr::UNSPECIFIED, 21212, 21212, 21212);
+        config.set_ipv4_listening_address(std::net::Ipv4Addr::UNSPECIFIED, 21212, 21212, 21213);
         config.discv5_config.table_filter = |_| true; // Do not ignore local IPs
         config.upnp_enabled = false;
         config.boot_nodes_enr = enrs.clone();