diff --git a/src/core/types/Entities/crmEntities.ts b/src/core/types/Entities/crmEntities.ts
index 628a2e9..999a99c 100644
--- a/src/core/types/Entities/crmEntities.ts
+++ b/src/core/types/Entities/crmEntities.ts
@@ -124,7 +124,7 @@ export interface IEvoEquipment {
   evo_modelid?: string;
   evo_impairment_groupid?: string;
   evo_leasingobject_risk?: number;
-  evo_start_production_year: number;
+  evo_start_production_year?: number;
   statecode?: number;
 }