diff --git a/src/db/migration/V20170911_1505__mantis9798.sql b/src/db/migration/V20170911_1505__mantis9798.sql
index 0c7834c30..bddedb431 100644
--- a/src/db/migration/V20170911_1505__mantis9798.sql
+++ b/src/db/migration/V20170911_1505__mantis9798.sql
@@ -11,6 +11,7 @@ WHERE UPPER(CONSTRAINT_NAME) = UPPER('PRECIO_VENTAJA__UN');
 IF itemExists > 0 THEN
 begin
     EXECUTE IMMEDIATE 'ALTER TABLE PRECIO_VENTAJA DROP CONSTRAINT PRECIO_VENTAJA__UN';
+    EXECUTE IMMEDIATE 'drop index PRECIO_VENTAJA__UN';
     exception when others then null;
 end;
 END IF;