diff --git a/entity/Offeritem_entity/Offeritem_entity.aod b/entity/Offeritem_entity/Offeritem_entity.aod
index 2fa14e161ff9551c47c4f2200c573172770c07b5..55968cef25e83d2c3b393ca95a7bb16f05b2d8bd 100644
--- a/entity/Offeritem_entity/Offeritem_entity.aod
+++ b/entity/Offeritem_entity/Offeritem_entity.aod
@@ -94,6 +94,11 @@
       <consumer>KeywordQuantityUnits</consumer>
       <state>READONLY</state>
       <displayValueProcess>%aditoprj%/entity/Offeritem_entity/entityfields/unit/displayValueProcess.js</displayValueProcess>
+      <onValueChangeTypes>
+        <element>PROCESS</element>
+        <element>MASK</element>
+        <element>PROCESS_SETVALUE</element>
+      </onValueChangeTypes>
     </entityField>
     <entityField>
       <name>VAT</name>