diff --git a/Services/RequestServer/ConnectionFromClient.cpp b/Services/RequestServer/ConnectionFromClient.cpp
index 10392eb8d25..914aba69510 100644
--- a/Services/RequestServer/ConnectionFromClient.cpp
+++ b/Services/RequestServer/ConnectionFromClient.cpp
@@ -22,6 +22,10 @@
 #include <LibWebSocket/Message.h>
 #include <RequestServer/ConnectionFromClient.h>
 #include <RequestServer/RequestClientEndpoint.h>
+#ifdef AK_OS_WINDOWS
+// needed because curl.h includes winsock2.h
+#    include <AK/Windows.h>
+#endif
 #include <curl/curl.h>
 
 namespace RequestServer {
@@ -318,7 +322,7 @@ Messages::RequestServer::InitTransportResponse ConnectionFromClient::init_transp
 
 Messages::RequestServer::ConnectNewClientResponse ConnectionFromClient::connect_new_client()
 {
-    static_assert(IsSame<IPC::Transport, IPC::TransportSocket>, "Need to handle other IPC transports here");
+    // TODO: Mach IPC
 
     int socket_fds[2] {};
     if (auto err = Core::System::socketpair(AF_LOCAL, SOCK_STREAM, 0, socket_fds); err.is_error()) {
@@ -372,6 +376,12 @@ void ConnectionFromClient::set_dns_server(ByteString host_or_address, u16 port,
         default_resolver()->dns.reset_connection();
 }
 
+#ifdef AK_OS_WINDOWS
+void ConnectionFromClient::start_request(i32, ByteString, URL::URL, HTTP::HeaderMap, ByteBuffer, Core::ProxyData)
+{
+    VERIFY(0 && "RequestServer::ConnectionFromClient::start_request is not implemented");
+}
+#else
 void ConnectionFromClient::start_request(i32 request_id, ByteString method, URL::URL url, HTTP::HeaderMap request_headers, ByteBuffer request_body, Core::ProxyData proxy_data)
 {
     auto host = url.serialized_host().to_byte_string();
@@ -496,6 +506,7 @@ void ConnectionFromClient::start_request(i32 request_id, ByteString method, URL:
             m_active_requests.set(request_id, move(request));
         });
 }
+#endif
 
 static Requests::NetworkError map_curl_code_to_network_error(CURLcode const& code)
 {