Index: /trunk/wp-admin/upgrade-functions.php
===================================================================
--- /trunk/wp-admin/upgrade-functions.php	(revision 767)
+++ /trunk/wp-admin/upgrade-functions.php	(revision 768)
@@ -494,4 +494,5 @@
 	maybe_add_column($tablelinks, 'link_rss', "ALTER TABLE `$tablelinks` ADD `link_rss` VARCHAR( 255 ) NOT NULL;");
 	maybe_add_column($tableusers, 'user_description', "ALTER TABLE `$tableusers` ADD `user_description` TEXT NOT NULL");
+	maybe_add_column($tablecomments, 'comment_approved', "ALTER TABLE $tablecomments ADD COLUMN comment_approved ENUM('0', '1') DEFAULT '1' NOT NULL");
 
 	// Create indicies
@@ -500,6 +501,4 @@
 	add_clean_index($tablecomments, 'comment_approved');
 
-	if (maybe_add_column($tablecomments, 'comment_approved', "ALTER TABLE $tablecomments ADD COLUMN comment_approved ENUM('0', '1') DEFAULT '1' NOT NULL")) {
-	}
 
 	// Options stuff