diff --git a/pg4wp/driver_pgsql_install.php b/pg4wp/driver_pgsql_install.php
index 6537643..34f642e 100644
--- a/pg4wp/driver_pgsql_install.php
+++ b/pg4wp/driver_pgsql_install.php
@@ -25,6 +25,12 @@
 		
 		// WP 2.7.1 compatibility
 		'int(4)'		=> 'smallint',
+		
+		// For WPMU (starting with WP 3.2)
+		'tinyint(2)'	=> 'smallint',
+		'tinyint(1)'	=> 'smallint',
+		"enum('0','1')"	=> 'smallint',
+		
 	);
 	
 	function pg4wp_installing( $sql, &$logto)