diff --git a/entity/Document_entity/Document_entity.aod b/entity/Document_entity/Document_entity.aod
index 9c5bab5bdbc546fed183346758af0d40ff54ba55..fa1098dc639a05b340f5fc1a6fda4ca95bb2d521 100644
--- a/entity/Document_entity/Document_entity.aod
+++ b/entity/Document_entity/Document_entity.aod
@@ -57,6 +57,7 @@
       <name>BINDATA_UPLOAD</name>
       <title>File</title>
       <contentType>FILE</contentType>
+      <mandatory v="true" />
       <onValueChange>%aditoprj%/entity/Document_entity/entityfields/bindata_upload/onValueChange.js</onValueChange>
       <onValueChangeTypes>
         <element>MASK</element>