diff --git a/allgo/__init__.py b/allgo/__init__.py
index c31bb399e1c0c67c223963f9cbbf6a39a8405542..81a025fb314ae6f0e9635b01a2dc63fe517612b3 100644
--- a/allgo/__init__.py
+++ b/allgo/__init__.py
@@ -51,7 +51,7 @@ class Init:
         """
         if not API_token_valid:
             API_token = get_random_string(length=32)
-            msg += "Sign in with your existing https://allgo18.inria.fr/accounts/login/?token=" + API_token+  " A||GO account \n"
+            msg = "Sign in with your existing https://allgo18.inria.fr/accounts/login/?token=" + API_token+  " A||GO account \n"
             print(msg)
         else:
             # FIXME : Have to check that the user is register