Index: modules/locale/locale.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/locale/locale.install,v
retrieving revision 1.27
diff -u -r1.27 locale.install
--- modules/locale/locale.install	10 Jan 2008 14:35:24 -0000	1.27
+++ modules/locale/locale.install	27 Jul 2008 11:52:35 -0000
@@ -12,7 +12,7 @@
   // Create tables.
   drupal_install_schema('locale');
 
-  db_query("INSERT INTO {languages} (language, name, native, direction, enabled, weight, javascript) VALUES ('en', 'English', 'English', '0', '1', '0', '')");
+  db_query("INSERT INTO {languages} (language, name, native, direction, enabled, weight, javascript, prefix) VALUES ('en', 'English', 'English', '0', '1', '0', '', 'en')");
 }
 
 /**