diff --git a/src/db/migration/V20211015_1113__mantis23444.sql b/src/db/migration/V20211015_1113__mantis23444.sql
new file mode 100644
index 000000000..e46bef6ab
--- /dev/null
+++ b/src/db/migration/V20211015_1113__mantis23444.sql
@@ -0,0 +1,15 @@
+declare 
+  column_exists exception;
+  pragma exception_init (column_exists , -01430);
+begin 
+  execute immediate 'ALTER TABLE BOLETO ADD (ASIENTOS_LIBRES NUMBER(5), ASIENTOS_OCUP NUMBER(5))';
+  exception when column_exists then null;
+end;
+/
+declare 
+  column_exists exception;
+  pragma exception_init (column_exists , -01430);
+begin 
+  execute immediate 'ALTER TABLE CAJA ADD (ASIENTOS_LIBRES NUMBER(5), ASIENTOS_OCUP NUMBER(5))';
+  exception when column_exists then null;
+end;
\ No newline at end of file
diff --git a/src/db/postgresql/migration/V20211015_1113__mantis23444.sql b/src/db/postgresql/migration/V20211015_1113__mantis23444.sql
new file mode 100644
index 000000000..65bb3f6b3
--- /dev/null
+++ b/src/db/postgresql/migration/V20211015_1113__mantis23444.sql
@@ -0,0 +1,13 @@
+DO $$
+BEGIN
+  ALTER TABLE BOLETO ADD (ASIENTOS_LIBRES NUMBER(5), ASIENTOS_OCUP NUMBER(5));
+  EXCEPTION WHEN duplicate_column THEN NULL;
+END
+$$;
+/
+DO $$
+BEGIN
+  ALTER TABLE CAJA ADD (ASIENTOS_LIBRES NUMBER(5), ASIENTOS_OCUP NUMBER(5));
+  EXCEPTION WHEN duplicate_column THEN NULL;
+END
+$$;
\ No newline at end of file