diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 823ec15562..bcb0bcc847 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -193,6 +193,7 @@ p a {
 		<li>[Fix] Added a missing global to get_file() (Bug #13149)</li>
 		<li>[Fix] Hide autologin box when autologin is disabled (Bug #13093)</li>
 		<li>[Fix] Account for the forum id not being part of the request uri in prosilver (Bug #13121)</li>
+		<li>[Fix] Properly alter PostgreSQL tables</li>
 
 	</ul>
 
diff --git a/phpBB/install/database_update.php b/phpBB/install/database_update.php
index 8b20d0c942..559de678bf 100644
--- a/phpBB/install/database_update.php
+++ b/phpBB/install/database_update.php
@@ -1001,9 +1001,9 @@ function prepare_column_data($dbms, $column_data)
 
 		case 'postgres':
 			$sql .= " {$column_type} ";
+			$sql .= 'NOT NULL';
 
 			$sql .= (!is_null($column_data[1])) ? "DEFAULT '{$column_data[1]}' " : '';
-			$sql .= 'NOT NULL';
 
 			// Unsigned? Then add a CHECK contraint
 			if (in_array($orig_column_type, $unsigned_types))