diff --git a/sql-schema/160.sql b/sql-schema/160.sql
new file mode 100644
index 0000000000..73724574da
--- /dev/null
+++ b/sql-schema/160.sql
@@ -0,0 +1 @@
+ALTER TABLE `devices` CHANGE `cryptoalgo` `cryptoalgo` ENUM('AES','DES','') NULL DEFAULT NULL;