diff --git a/local-cluster/src/local_cluster.rs b/local-cluster/src/local_cluster.rs
index be2dc59e7eb425..6642b24c9f1694 100644
--- a/local-cluster/src/local_cluster.rs
+++ b/local-cluster/src/local_cluster.rs
@@ -27,7 +27,7 @@ use {
     solana_ledger::{create_new_tmp_ledger_with_size, shred::Shred},
     solana_message::Message,
     solana_native_token::LAMPORTS_PER_SOL,
-    solana_net_utils::bind_to_unspecified,
+    solana_net_utils::sockets::bind_to_localhost_unique,
     solana_poh_config::PohConfig,
     solana_pubkey::Pubkey,
     solana_rpc_client::rpc_client::RpcClient,
@@ -1136,7 +1136,7 @@ impl Cluster for LocalCluster {
     }
 
     fn send_shreds_to_validator(&self, dup_shreds: Vec<&Shred>, validator_key: &Pubkey) {
-        let send_socket = bind_to_unspecified().unwrap();
+        let send_socket = bind_to_localhost_unique().expect("should bind");
         let validator_tvu = self
             .get_contact_info(validator_key)
             .unwrap()