diff --git a/mod/chat/gui_sockets/chatinput.php b/mod/chat/gui_sockets/chatinput.php
index 237f4886f623b..d0603c2511d51 100644
--- a/mod/chat/gui_sockets/chatinput.php
+++ b/mod/chat/gui_sockets/chatinput.php
@@ -17,6 +17,7 @@
 $USER = $DB->get_record('user', array('id'=>$chatuser->userid));
 
 //Setup course, lang and theme
+$PAGE->set_pagelayout('embedded');
 $PAGE->set_course($DB->get_record('course', array('id' => $chatuser->course)));
 $PAGE->requires->js('/mod/chat/gui_sockets/chat_gui_sockets.js', true);
 $PAGE->requires->js_function_call('setfocus');