diff --git a/src/modules/ad/core/domain/candidate.entity.ts b/src/modules/ad/core/domain/candidate.entity.ts
index 95abf70..b9e99c1 100644
--- a/src/modules/ad/core/domain/candidate.entity.ts
+++ b/src/modules/ad/core/domain/candidate.entity.ts
@@ -155,7 +155,7 @@ export class CandidateEntity extends AggregateRoot<CandidateProps> {
         });
       },
     );
-    return (this.props.steps as Step[])[passengerStartStepIndex].duration;
+    return this.props.steps![passengerStartStepIndex].duration;
   };
 
   /**