diff --git a/src/net/socket/client_socket_pool_manager.cc b/src/net/socket/client_socket_pool_manager.cc
index f95f944f25..9b73d318ab 100644
--- a/src/net/socket/client_socket_pool_manager.cc
+++ b/src/net/socket/client_socket_pool_manager.cc
@@ -289,23 +289,25 @@ int InitSocketHandleForWebSocketRequest(
       proxy_auth_callback);
 }
 
-int InitSocketHandleForRawConnect2(const HostPortPair& endpoint,
-                                   HttpNetworkSession* session,
-                                   int request_load_flags,
-                                   RequestPriority request_priority,
-                                   const ProxyInfo& proxy_info,
-                                   const SSLConfig& ssl_config_for_origin,
-                                   const SSLConfig& ssl_config_for_proxy,
-                                   PrivacyMode privacy_mode,
-                                   const NetLogWithSource& net_log,
-                                   ClientSocketHandle* socket_handle,
-                                   CompletionOnceCallback callback) {
+int InitSocketHandleForRawConnect2(
+    const HostPortPair& endpoint,
+    HttpNetworkSession* session,
+    int request_load_flags,
+    RequestPriority request_priority,
+    const ProxyInfo& proxy_info,
+    const SSLConfig& ssl_config_for_origin,
+    const SSLConfig& ssl_config_for_proxy,
+    PrivacyMode privacy_mode,
+    const NetworkIsolationKey& network_isolation_key,
+    const NetLogWithSource& net_log,
+    ClientSocketHandle* socket_handle,
+    CompletionOnceCallback callback) {
   DCHECK(socket_handle);
   return InitSocketPoolHelper(
       ClientSocketPoolManager::NORMAL_GROUP, endpoint, request_load_flags,
       request_priority, session, proxy_info, ssl_config_for_origin,
       ssl_config_for_proxy, /*is_for_websockets=*/true, privacy_mode,
-      NetworkIsolationKey(), /*disable_secure_dns=*/true, SocketTag(), net_log,
+      network_isolation_key, /*disable_secure_dns=*/true, SocketTag(), net_log,
       0, socket_handle, HttpNetworkSession::NORMAL_SOCKET_POOL,
       std::move(callback), ClientSocketPool::ProxyAuthCallback());
 }
diff --git a/src/net/socket/client_socket_pool_manager.h b/src/net/socket/client_socket_pool_manager.h
index 7719040200..d3c3cf3ba3 100644
--- a/src/net/socket/client_socket_pool_manager.h
+++ b/src/net/socket/client_socket_pool_manager.h
@@ -151,6 +151,7 @@ NET_EXPORT int InitSocketHandleForRawConnect2(
     const SSLConfig& ssl_config_for_origin,
     const SSLConfig& ssl_config_for_proxy,
     PrivacyMode privacy_mode,
+    const NetworkIsolationKey& network_isolation_key,
     const NetLogWithSource& net_log,
     ClientSocketHandle* socket_handle,
     CompletionOnceCallback callback);