diff --git a/src/db/migration/V20170112_1659__mantis8529.sql b/src/db/migration/V20170112_1659__mantis8529.sql
new file mode 100644
index 000000000..f37988488
--- /dev/null
+++ b/src/db/migration/V20170112_1659__mantis8529.sql
@@ -0,0 +1,7 @@
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
+begin
+    execute immediate 'ALTER TABLE CAJA_TARJETA MODIFY (NSU VARCHAR2(30 BYTE))';
+    exception when column_exists then null;
+end;