diff --git a/backend/services/mining-blockchain-service/src/infrastructure/persistence/repositories/adoption-injection-record.repository.impl.ts b/backend/services/mining-blockchain-service/src/infrastructure/persistence/repositories/adoption-injection-record.repository.impl.ts
index 67b51f90..789caf46 100644
--- a/backend/services/mining-blockchain-service/src/infrastructure/persistence/repositories/adoption-injection-record.repository.impl.ts
+++ b/backend/services/mining-blockchain-service/src/infrastructure/persistence/repositories/adoption-injection-record.repository.impl.ts
@@ -44,7 +44,7 @@ export class AdoptionInjectionRecordRepositoryImpl implements IAdoptionInjection
 
   async findByAdoptionId(adoptionId: string): Promise<AdoptionInjectionRecordDto | null> {
     const record = await this.prisma.adoptionInjectionRecord.findUnique({
-      where: { adoptionId },
+      where: { uk_adoption_id: { adoptionId } },
     });
     return record ? this.mapToDto(record) : null;
   }