diff --git a/mod/chat/gui_sockets/index.php b/mod/chat/gui_sockets/index.php
index 0c7e1ab8ffa..15295df808b 100644
--- a/mod/chat/gui_sockets/index.php
+++ b/mod/chat/gui_sockets/index.php
@@ -64,7 +64,7 @@ $courseshortname = format_string($course->shortname, true, array('context' => co
   </title>
  </head>
  <frameset cols="*,200" border="5" framespacing="no" frameborder="yes" marginwidth="2" marginheight="1">
-  <frameset rows="0,*,50" border="0" framespacing="no" frameborder="no" marginwidth="2" marginheight="1">
+  <frameset rows="0,*,70" border="0" framespacing="no" frameborder="no" marginwidth="2" marginheight="1">
    <frame src="../empty.php" name="empty" scrolling="auto" noresize marginwidth="2" marginheight="0">
    <frame src="<?php echo "http://$CFG->chat_serverhost:$CFG->chat_serverport?win=chat&amp;$params"; ?>" scrolling="auto" name="msg" noresize marginwidth="2" marginheight="0">
    <frame src="chatinput.php?<?php echo $params ?>" name="input" scrolling="no" marginwidth="2" marginheight="1">