diff --git a/descope/auth.py b/descope/auth.py
index d56dd2ae8..152a77db2 100644
--- a/descope/auth.py
+++ b/descope/auth.py
@@ -39,7 +39,7 @@ def __init__(self, project_id: str, public_key: str = None):
                 raise AuthException(
                     500,
                     "Init failure",
-                    "Failed to init AuthClient object, project should not be empty",
+                    "Failed to init AuthClient object, project should not be empty, remember to set env variable DESCOPE_PROJECT_ID or pass along it to init funcation",
                 )
         self.project_id = project_id