diff --git a/src/db/migration/V20170727_1557__mantis9339.sql b/src/db/migration/V20170727_1557__mantis9339.sql
new file mode 100644
index 000000000..ad3df6992
--- /dev/null
+++ b/src/db/migration/V20170727_1557__mantis9339.sql
@@ -0,0 +1,7 @@
+declare
+    object_exists exception;
+    pragma exception_init (object_exists , -01430);
+begin
+	execute immediate 'ALTER TABLE TRAMO ADD (CANTKMENTRADASAIDA NUMBER(7,2) DEFAULT 0 NOT NULL)';
+	exception when object_exists then null;
+end;
\ No newline at end of file