diff --git a/mod/glossary/db/mysql.sql b/mod/glossary/db/mysql.sql
index 06e34348fb9..71e9d6e8e7d 100644
--- a/mod/glossary/db/mysql.sql
+++ b/mod/glossary/db/mysql.sql
@@ -39,7 +39,7 @@ CREATE TABLE prefix_glossary_entries (
      timecreated int(10) unsigned NOT NULL default '0',
      timemodified int(10) unsigned NOT NULL default '0',
      teacherentry tinyint(2) unsigned NOT NULL default '0',
-     sourceglossaryid int(10) unsigned NOT NULL '0',
+     sourceglossaryid int(10) unsigned NOT NULL default '0',
      PRIMARY KEY  (id)
 ) TYPE=MyISAM COMMENT='all glossary entries';