diff --git a/packages/grpc-js/src/http_proxy.ts b/packages/grpc-js/src/http_proxy.ts
index 8411e117d..84e29a50f 100644
--- a/packages/grpc-js/src/http_proxy.ts
+++ b/packages/grpc-js/src/http_proxy.ts
@@ -215,8 +215,10 @@ export function getProxiedConnection(
            * connection to a TLS connection.
            * This is a workaround for https://github.com/nodejs/node/issues/32922
            * See https://github.com/grpc/grpc-node/pull/1369 for more info. */
-          const remoteHost = getDefaultAuthority(parsedTarget);
-
+          const targetPath = getDefaultAuthority(parsedTarget);
+          const hostPort = splitHostPort(targetPath);
+          const remoteHost = hostPort?.host ?? targetPath;
+          
           const cts = tls.connect(
             {
               host: remoteHost,
diff --git a/packages/grpc-js/src/subchannel.ts b/packages/grpc-js/src/subchannel.ts
index 736562a66..3be6dd0a6 100644
--- a/packages/grpc-js/src/subchannel.ts
+++ b/packages/grpc-js/src/subchannel.ts
@@ -467,11 +467,13 @@ export class Subchannel {
            * if a connection is successfully established through the proxy.
            * If the proxy is not used, these connectionOptions are discarded
            * anyway */
-          connectionOptions.servername = getDefaultAuthority(
+          const targetPath = getDefaultAuthority(
             parseUri(this.options['grpc.http_connect_target'] as string) ?? {
               path: 'localhost',
             }
           );
+          const hostPort = splitHostPort(targetPath);
+          connectionOptions.servername = hostPort?.host ?? targetPath;
         }
       }
     }