diff --git a/src/db/migration/V20170803_1248__mantis7987.sql b/src/db/migration/V20170803_1248__mantis7987.sql
new file mode 100644
index 000000000..c6bb43180
--- /dev/null
+++ b/src/db/migration/V20170803_1248__mantis7987.sql
@@ -0,0 +1,10 @@
+DECLARE
+    dup_val_on_index EXCEPTION;
+  PRAGMA EXCEPTION_INIT (dup_val_on_index, -00001);
+BEGIN
+  EXECUTE IMMEDIATE
+  'ALTER TABLE TIPO_EVENTO_EXTRA ADD INDVALIDAESTOQUE NUMBER(1)';
+  EXCEPTION WHEN dup_val_on_index THEN NULL;
+END;
+
+UPDATE TIPO_EVENTO_EXTRA SET INDVALIDAESTOQUE=0 WHERE INDVALIDAESTOQUE IS NULL;