diff --git a/transaction-relayer/src/main.rs b/transaction-relayer/src/main.rs
index c430e502..bb87e139 100644
--- a/transaction-relayer/src/main.rs
+++ b/transaction-relayer/src/main.rs
@@ -2,6 +2,7 @@ use std::{
     collections::HashSet,
     fs,
     net::{IpAddr, Ipv4Addr, SocketAddr},
+    ops::Range,
     path::PathBuf,
     str::FromStr,
     sync::{
@@ -206,35 +207,59 @@ struct Sockets {
 }
 
 fn get_sockets(args: &Args) -> Sockets {
-    let tpu_quic_sockets = (0..args.num_tpu_quic_servers)
-        .flat_map(|i| {
-            multi_bind_in_range(
+    assert!(args.num_tpu_quic_servers < u16::MAX as usize);
+    assert!(args.num_tpu_fwd_quic_servers < u16::MAX as usize);
+
+    let tpu_ports = Range {
+        start: args.tpu_quic_port,
+        end: args
+            .tpu_quic_port
+            .checked_add(args.num_tpu_quic_servers as u16)
+            .unwrap(),
+    };
+    let tpu_fwd_ports = Range {
+        start: args.tpu_quic_fwd_port,
+        end: args
+            .tpu_quic_fwd_port
+            .checked_add(args.num_tpu_fwd_quic_servers as u16)
+            .unwrap(),
+    };
+
+    for tpu_port in tpu_ports.start..tpu_ports.end {
+        assert!(!tpu_fwd_ports.contains(&tpu_port));
+    }
+
+    let (tpu_p, tpu_quic_sockets): (Vec<_>, Vec<_>) = (0..args.num_tpu_quic_servers)
+        .map(|i| {
+            let (port, mut sock) = multi_bind_in_range(
                 IpAddr::V4(Ipv4Addr::from([0, 0, 0, 0])),
-                (
-                    args.tpu_quic_port + i as u16,
-                    args.tpu_quic_port + 1 + i as u16,
-                ),
+                (tpu_ports.start + i as u16, tpu_ports.start + 1 + i as u16),
                 1,
             )
-            .unwrap()
-            .1
+            .unwrap();
+
+            (port, sock.pop().unwrap())
         })
-        .collect::<Vec<_>>();
+        .unzip();
 
-    let tpu_fwd_quic_sockets = (0..args.num_tpu_fwd_quic_servers)
-        .flat_map(|i| {
-            multi_bind_in_range(
+    let (tpu_fwd_p, tpu_fwd_quic_sockets): (Vec<_>, Vec<_>) = (0..args.num_tpu_fwd_quic_servers)
+        .map(|i| {
+            let (port, mut sock) = multi_bind_in_range(
                 IpAddr::V4(Ipv4Addr::from([0, 0, 0, 0])),
                 (
-                    args.tpu_quic_fwd_port + i as u16,
-                    args.tpu_quic_fwd_port + 1 + i as u16,
+                    tpu_fwd_ports.start + i as u16,
+                    tpu_fwd_ports.start + 1 + i as u16,
                 ),
                 1,
             )
-            .unwrap()
-            .1
+            .unwrap();
+
+            (port, sock.pop().unwrap())
         })
-        .collect::<Vec<_>>();
+        .unzip();
+
+    assert_eq!(tpu_ports.collect::<Vec<_>>(), tpu_p);
+    assert_eq!(tpu_fwd_ports.collect::<Vec<_>>(), tpu_fwd_p);
 
     Sockets {
         tpu_sockets: TpuSockets {
@@ -418,8 +443,7 @@ fn main() {
         delay_packet_receiver,
         leader_cache.handle(),
         public_ip,
-        (args.tpu_quic_port..args.tpu_quic_port + args.num_tpu_quic_servers as u16)
-            .collect(),
+        (args.tpu_quic_port..args.tpu_quic_port + args.num_tpu_quic_servers as u16).collect(),
         (args.tpu_quic_fwd_port..args.tpu_quic_fwd_port + args.num_tpu_fwd_quic_servers as u16)
             .collect(),
         health_manager.handle(),