diff --git a/update.php b/update.php
index 37181066d6912892fb8974c4b35973d2543d8324..31bf743a259dcdc7fa681478f172436dc8031b48 100644
--- a/update.php
+++ b/update.php
@@ -621,6 +621,8 @@ function update_42() {
 function update_43() {
   update_sql("ALTER TABLE blocks DROP remove");
   update_sql("ALTER TABLE blocks DROP name");
+  update_sql("UPDATE blocks SET type = 0 WHERE type = 1");
+  update_sql("UPDATE blocks SET type = 1 WHERE type = 2");
 }
 
 function update_upgrade3() {