diff --git a/administrator/sql/updates/mysql/1.3.1.sql b/administrator/sql/updates/mysql/1.3.1.sql
deleted file mode 100755
index 17a129dc..00000000
--- a/administrator/sql/updates/mysql/1.3.1.sql
+++ /dev/null
@@ -1 +0,0 @@
-ALTER TABLE  `#__tjfields_fields` ADD  `showonlist` INT( 11 ) NOT NULL, `params` varchar(500);
diff --git a/tjfields.xml b/tjfields.xml
index 63488941..9d2703de 100644
--- a/tjfields.xml
+++ b/tjfields.xml
@@ -14,6 +14,11 @@
 			<file driver="mysql" charset="utf8">sql/install.mysql.utf8.sql</file>
 		</sql>
 	</install>
+	<update>
+		<schemas>
+			<schemapath type="mysql">sql/updates/mysql</schemapath>
+		</schemas>
+	</update>
 	<uninstall>
 		<sql>
 			<file driver="mysql" charset="utf8">sql/uninstall.mysql.utf8.sql</file>