diff --git a/index.js b/index.js
index 3ce309f5c3a0e16554db6e26235c098b1985fa01..d3332e80804e3216bfd57305d4ea6b5f9c68009f 100644
--- a/index.js
+++ b/index.js
@@ -222,7 +222,7 @@ async function authenticate(login, password, baseUrl, apiAuthKey) {
       throw new Error()
     }
   } catch (error) {
-    throw new Error(errors.LOGIN_FAILED)
+    throw new Error(errors.UNKNOWN_ERROR)
   }
 }