diff --git a/apps/webserver/httpd-cfs.c b/apps/webserver/httpd-cfs.c
index 417724b22..f34bdd870 100644
--- a/apps/webserver/httpd-cfs.c
+++ b/apps/webserver/httpd-cfs.c
@@ -30,7 +30,7 @@
  *
  * Author: Adam Dunkels <adam@sics.se>
  *
- * $Id: httpd-cfs.c,v 1.13 2010/02/03 20:41:16 adamdunkels Exp $
+ * $Id: httpd-cfs.c,v 1.14 2010/02/03 21:06:51 adamdunkels Exp $
  */
 
 #include <stdio.h>
@@ -137,7 +137,7 @@ PT_THREAD(handle_output(struct httpd_state *s))
       PT_WAIT_THREAD(&s->outputpt,
                      send_headers(s, http_header_404));
       PT_WAIT_THREAD(&s->outputpt,
-                     send_string("Not found"));
+                     send_string(s, "Not found"));
       uip_close();
       webserver_log_file(&uip_conn->ripaddr, "404 (no notfound.html)");
       PT_EXIT(&s->outputpt);