diff --git a/apps/web/src/app/auth/core/services/webauthn-login/request/webauthn-login-attestation-response.request.ts b/apps/web/src/app/auth/core/services/webauthn-login/request/webauthn-login-attestation-response.request.ts
index ef3d657f2f..f7c391b0ee 100644
--- a/apps/web/src/app/auth/core/services/webauthn-login/request/webauthn-login-attestation-response.request.ts
+++ b/apps/web/src/app/auth/core/services/webauthn-login/request/webauthn-login-attestation-response.request.ts
@@ -20,8 +20,8 @@ export class WebauthnLoginAttestationResponseRequest extends WebauthnLoginAuthen
     }
 
     this.response = {
-      attestationObject: Utils.fromBufferToB64(credential.response.attestationObject),
-      clientDataJson: Utils.fromBufferToB64(credential.response.clientDataJSON),
+      attestationObject: Utils.fromBufferToUrlB64(credential.response.attestationObject),
+      clientDataJson: Utils.fromBufferToUrlB64(credential.response.clientDataJSON),
     };
   }
 }