diff --git a/src/db/migration/V20170601_1137__mantis9091.sql b/src/db/migration/V20170601_1137__mantis9091.sql
index 28693a7ba..c6a5ce244 100644
--- a/src/db/migration/V20170601_1137__mantis9091.sql
+++ b/src/db/migration/V20170601_1137__mantis9091.sql
@@ -3,6 +3,7 @@ declare
     pragma exception_init (column_exists , -01430);
 begin
     execute immediate 'ALTER TABLE TIPO_EVENTO_EXTRA ADD( CVESISTEMA VARCHAR2(30))';
+    execute immediate 'alter table TIPO_EVENTO_EXTRA add constraint uniq_cvesistema unique("CVESISTEMA")';
     exception when column_exists then null;
 end;
 /
@@ -10,7 +11,8 @@ declare
     dup_val_on_index  exception;
     pragma exception_init (dup_val_on_index  , -00001);
 begin
+    execute immediate 'alter session set nls_numeric_characters = '',.'' ';
     execute immediate 'Insert into TIPO_EVENTO_EXTRA (TIPOEVENTOEXTRA_ID,PARAMARTICULO_ID,INDTIPO,IMPMAX,INDVALIDACORTE,INDVALIDADOCUMENTO,INDCONTRAPARTIDA,INDBOLETO,INDORDENSERVICIO,PORCIVA,FORMAPAGO_ID,USUARIO_ID,FECMODIF,ACTIVO,PARAMARTICULO2_ID,INDTIPO2,FORMAPAGO2_ID,INDOPERACION,DESCTIPOEVENTO,PROVEEDOR,IMPFISCALNUMOPERACAO,NATUREZA,CONTACONTABIL,INDCONFERENCIAFISICACOMISSAO,CVETIPOEVENTO,CVESISTEMA) 
 values (TIPO_EVENTO_EXTRA_SEQ.nextval,null,''1'',''99999,99'',null,''0'',null,''0'',null,''0'',null,''1'',sysdate,''1'',null,null,null,''1'',''TAXA DE CONVENIENCIA TARIFA'',null,null,''RECEITA'',null,null,null,''TAXA_CONVENIENCIA_TARIFA'')';
 	exception when dup_val_on_index  then null;
-end;
\ No newline at end of file
+end;