diff -wrud lighttpd-1.3.13/src/network.c lighttpd-1.3.13.hacked/src/network.c
--- lighttpd-1.3.13/src/network.c	2005-03-01 18:55:41.000000000 -0400
+++ lighttpd-1.3.13.hacked/src/network.c	2005-03-14 15:42:58.543182586 -0400
@@ -423,6 +423,9 @@
 int network_write_chunkqueue(server *srv, connection *con, chunkqueue *cq) {
 	int ret = -1, i;
 	off_t written = 0;
+#ifdef TCP_CORK
+	int corked = 0;
+#endif
 	
 	server_socket *srv_socket = con->srv_socket;
 
@@ -440,8 +443,10 @@
 
 #ifdef TCP_CORK	
 	/* Linux: put a cork into the socket as we want to combine the write() calls */
-	i = 1;
-	setsockopt(con->fd, IPPROTO_TCP, TCP_CORK, &i, sizeof(i));
+	if (cq->first->next) {
+		corked = 1;
+		setsockopt(con->fd, IPPROTO_TCP, TCP_CORK, &corked, sizeof(corked));
+	}
 #endif
 	
 	if (srv_socket->is_ssl) {
@@ -507,8 +512,10 @@
 	}
 	
 #ifdef TCP_CORK
-	i = 0;
-	setsockopt(con->fd, IPPROTO_TCP, TCP_CORK, &i, sizeof(i));
+	if (corked) {
+		corked = 0;
+		setsockopt(con->fd, IPPROTO_TCP, TCP_CORK, &corked, sizeof(corked));
+	}
 #endif
 
 	written = con->bytes_written - written;