diff --git a/mod/chat/chatd.php b/mod/chat/chatd.php
index c75b8cf4936..2dd05675bb3 100755
--- a/mod/chat/chatd.php
+++ b/mod/chat/chatd.php
@@ -68,13 +68,12 @@ class ChatDaemon {
     var $message_queue = array(); // Holds messages that we haven't committed to the DB yet
 
     function ChatDaemon() {
-        // Check the STDOUT constant
-        $this->_trace_to_stdout     = defined('STDOUT');
         $this->_trace_level         = E_ALL ^ E_USER_NOTICE;
         $this->_pcntl_exists        = function_exists('pcntl_fork');
         $this->_time_rest_socket    = 20;
         $this->_beepsoundsrc        = $GLOBALS['CFG']->wwwroot.'/mod/chat/beep.wav';
         $this->_freq_update_records = 15;
+        $this->_stdout = fopen('php://stdout', 'w');
     }
 
     function query_start() {
@@ -102,7 +101,8 @@ class ChatDaemon {
 
             // Emit the message to wherever we should
             if($this->_trace_to_stdout) {
-                fwrite(STDOUT, $message);
+                fwrite($this->_stdout, $message);
+                fflush($this->_stdout);
             }
             if($this->_trace_to_console) {
                 echo $message;
@@ -323,7 +323,7 @@ class ChatDaemon {
 
                 if($this->sets_info[$sessionid]['lastmessageindex'] >= $messageindex) {
                     // We have already broadcasted that!
-                    $this->trace('discarding message with stale index');
+                    // $this->trace('discarding message with stale index');
                     break;
                 }
                 else {
@@ -437,7 +437,7 @@ class ChatDaemon {
             'quirks'    => $customdata['quirks']
         );
 
-        $this->trace('QUIRKS value for this connection is '.$customdata['quirks']);
+        // $this->trace('QUIRKS value for this connection is '.$customdata['quirks']);
 
         $this->dismiss_half($sessionid, false);
         chat_socket_write($this->conn_sets[$sessionid][CHAT_CONNECTION_CHANNEL], $CHAT_HTMLHEAD_JS);
diff --git a/mod/chat/lib.php b/mod/chat/lib.php
index 2bba3c2d511..dc7a40e66e6 100644
--- a/mod/chat/lib.php
+++ b/mod/chat/lib.php
@@ -366,9 +366,10 @@ function chat_delete_old_users() {
     global $CFG;
 
     $timeold = time() - $CFG->chat_old_ping;
+    $query = "lastping < '$timeold' AND version != 'sockets'";
 
-    if ($oldusers = get_records_select("chat_users", "lastping < '$timeold'") ) {
-        delete_records_select("chat_users", "lastping < '$timeold'");
+    if ($oldusers = get_records_select("chat_users", $query) ) {
+        delete_records_select("chat_users", $query);
         foreach ($oldusers as $olduser) {
             $message->chatid = $olduser->chatid;
             $message->userid = $olduser->userid;