diff --git a/sql-schema/052.sql b/sql-schema/052.sql
new file mode 100644
index 0000000000..ff6c8544a6
--- /dev/null
+++ b/sql-schema/052.sql
@@ -0,0 +1,8 @@
+ALTER TABLE  `munin_plugins` CHANGE  `mplug_type`  `mplug_type` VARCHAR( 255 ) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL;
+ALTER TABLE slas ENGINE=InnoDB; 
+ALTER TABLE packages ENGINE=InnoDB;
+ALTER TABLE munin_plugins_ds ENGINE=InnoDB;
+ALTER TABLE munin_plugins ENGINE=InnoDB; 
+ALTER TABLE loadbalancer_vservers ENGINE=InnoDB;
+ALTER TABLE loadbalancer_rservers ENGINE=InnoDB;
+ALTER TABLE ipsec_tunnels ENGINE=InnoDB;