diff --git a/entity/Offer_entity/entityfields/contact_id/onValueChange.js b/entity/Offer_entity/entityfields/contact_id/onValueChange.js
index 94a78b1a1d64fbda7416b774e9300835b36ae7ab..6fabb189473cf26a0dc77e1b3ed14aaa7bc8f09a 100644
--- a/entity/Offer_entity/entityfields/contact_id/onValueChange.js
+++ b/entity/Offer_entity/entityfields/contact_id/onValueChange.js
@@ -23,4 +23,6 @@ else
     neon.setFieldValue("$field.LANGUAGE", "");
 }
 
-neon.setFieldValue("$field.OBJECT_ROWID", "");
\ No newline at end of file
+neon.setFieldValue("$field.OBJECT_ROWID", "");
+neon.setFieldValue("$field.DELIVERYTERMS", "");
+neon.setFieldValue("$field.PAYMENTTERMS", "");