diff --git a/apps/web/process/used-pl/reactions.ts b/apps/web/process/used-pl/reactions.ts
index 80effc1..ef72016 100644
--- a/apps/web/process/used-pl/reactions.ts
+++ b/apps/web/process/used-pl/reactions.ts
@@ -335,7 +335,7 @@ export function common({ store, apolloClient }: ProcessContext) {
         if (evo_baseproduct?.evo_id) izt = evo_baseproduct?.evo_id?.includes('IZT');
       }
 
-      if (izt) $calculation.element('cbxLeaseObjectUsed').block();
+      if (izt) $calculation.element('cbxLeaseObjectUsed').setValue(true).block();
       else $calculation.element('cbxLeaseObjectUsed').unblock();
     }
   );