diff --git a/src/app/api/notary/OfficeFoldersController.ts b/src/app/api/notary/OfficeFoldersController.ts
index 5df72822..e6f113a0 100644
--- a/src/app/api/notary/OfficeFoldersController.ts
+++ b/src/app/api/notary/OfficeFoldersController.ts
@@ -122,11 +122,11 @@ export default class OfficeFoldersController extends ApiController {
 
 			//init OfficeFolder resource with request body values
 			const officefolderToUpdate = OfficeFolder.hydrate<OfficeFolder>(req.body);
-
+			const officeFolderFoundRessource = OfficeFolder.hydrate<OfficeFolder>(officeFolderFound);
 			//validate folder
 			await validateOrReject(officefolderToUpdate, { groups: ["updateFolder"], forbidUnknownValues: false });
 
-			if ((officeFolderFound as any).folder_anchor?.status === "VERIFIED_ON_CHAIN") {
+			if (officeFolderFoundRessource.folder_anchor?.status === "VERIFIED_ON_CHAIN") {
 				this.httpBadRequest(response, "Cannot update a verified folder");
 				return;
 			}