diff --git a/mod/glossary/mod_form.php b/mod/glossary/mod_form.php
index 5de7f0f6dac..134b49b3458 100644
--- a/mod/glossary/mod_form.php
+++ b/mod/glossary/mod_form.php
@@ -143,7 +143,7 @@ class mod_glossary_mod_form extends moodleform_mod {
         $mform->disabledIf('assesstimefinish', 'ratingtime');
 
 //-------------------------------------------------------------------------------
-        $this->standard_coursemodule_elements(array('groups'=>false));
+        $this->standard_coursemodule_elements(array('groups'=>false, 'groupmembersonly'=>true));
 
 //-------------------------------------------------------------------------------
         // buttons