diff --git a/src/db/migration/V20170831_1815__mantis9752.sql b/src/db/migration/V20170831_1815__mantis9752.sql
index f894fff44..a998f064b 100644
--- a/src/db/migration/V20170831_1815__mantis9752.sql
+++ b/src/db/migration/V20170831_1815__mantis9752.sql
@@ -14,3 +14,12 @@ begin
     execute immediate 'ALTER TABLE CAJA ADD (CRO VARCHAR2(4))';
     exception when column_exists then null;
 end;
+/
+
+declare
+    column_exists exception;
+    pragma exception_init (column_exists , -01430);
+begin
+    execute immediate 'ALTER TABLE EVENTO_EXTRA ADD (CRO VARCHAR2(4))';
+    exception when column_exists then null;
+end;