diff --git a/libs/dtos/src/dtos/requests/proof.req.dto.ts b/libs/dtos/src/dtos/requests/proof.req.dto.ts
index 7d70ea6bdc91cfb660f661bf034206c60cc4a4bb..010099221def648cfeae2caebe7d226f2b534c37 100644
--- a/libs/dtos/src/dtos/requests/proof.req.dto.ts
+++ b/libs/dtos/src/dtos/requests/proof.req.dto.ts
@@ -15,6 +15,6 @@ export class ProofReqDto {
 
   @IsString()
   @IsNotEmpty()
-  @ValidateIf((o) => o.proofUrl === undefined)
+  @ValidateIf((o) => o.proofRecordId === undefined)
   proofUrl: string;
 }
\ No newline at end of file