diff --git a/index.js b/index.js
index d197811..3c50fbb 100644
--- a/index.js
+++ b/index.js
@@ -85,6 +85,8 @@ var SecureFile = /** @class */ (function () {
                         //TODO probably better fail check
                         throw new NoConnection();
                     case 4:
+                        if (code_res.status == 403)
+                            throw new Error("Unauthorized");
                         statusParser(code_res);
                         return [4 /*yield*/, code_res.json()];
                     case 5:
diff --git a/index.ts b/index.ts
index 6c5590c..702773a 100644
--- a/index.ts
+++ b/index.ts
@@ -47,6 +47,7 @@ export default class SecureFile {
          //TODO probably better fail check
          throw new NoConnection();
       }
+      if (code_res.status == 403) throw new Error("Unauthorized");
       statusParser(code_res);
       let code = (await code_res.json()).code;
       let r = new rsa(this.PrivateKey, "pkcs1-pem");