diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Opportunity.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Opportunity.json
index 0fcfe76f23..fe6e5b880b 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Opportunity.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Opportunity.json
@@ -88,7 +88,7 @@
         },
         "assignedUser": {
             "type": "link",
-            "required": true
+            "required": false
         },
         "teams": {
             "type": "linkMultiple"