diff --git a/client/cs_notice.cpp b/client/cs_notice.cpp
index bbc4e1fcdf..98a2e840a5 100644
--- a/client/cs_notice.cpp
+++ b/client/cs_notice.cpp
@@ -750,6 +750,7 @@ void RSS_FEED_OP::handle_reply(int http_op_retval) {
         msg_printf(0, MSG_INTERNAL_ERROR,
             "RSS feed file '%s' not found", filename
         );
+        return;
     }
     MIOFILE fin;
     fin.init_file(f);
diff --git a/doc/links.php b/doc/links.php
index f1005b62ea..1aeae3d1ef 100644
--- a/doc/links.php
+++ b/doc/links.php
@@ -325,6 +325,7 @@ language("Slovak", array(
     site("http://www.boinc.sk/", "www.boinc.sk")
 ));
 language("Spanish", array(
+    site("http://www.titanesdc.com/", "Foros TitanesDC"),
     site("http://www.seti.cl/", "BOINC SETI Chile"),
     site("http://www.easyboinc.org/", "Computación Distribuida"),
     site("http://foro.noticias3d.com/vbulletin/showthread.php?t=192297", "Noticias3D"),
diff --git a/html/user/submit.php b/html/user/submit.php
index 91c8ba0390..a6bc1464b5 100644
--- a/html/user/submit.php
+++ b/html/user/submit.php
@@ -331,6 +331,7 @@ function handle_abort_batch($r) {
     list($user, $user_submit) = authenticate_user($r, null);
     $batch_id = (int)($r->batch_id);
     $batch = BoincBatch::lookup_id($batch_id);
+    if (!$batch) error("no such batch");
     if ($batch->user_id != $user->id) {
         error("not owner");
     }