diff --git a/helpers/config.py b/helpers/config.py
index d06170e..5ebb006 100644
--- a/helpers/config.py
+++ b/helpers/config.py
@@ -31,8 +31,7 @@ class Config(metaclass=Singleton):
     DEFAULT_PROXY_PORT = '8080'
     DEFAULT_NGINX_PORT = '80'
     DEFAULT_NGINX_HTTPS_PORT = '443'
-    KOBO_DOCKER_BRANCH = 'beta'
-    KOBO_DOCKER_BRANCH = '2.023.12'
+    KOBO_DOCKER_BRANCH = '2.023.12'  # This env variable declaration should appear only once in this file 
     KOBO_INSTALL_VERSION = '8.0.2'
     MAXIMUM_AWS_CREDENTIAL_ATTEMPTS = 3
     ALLOWED_PASSWORD_CHARACTERS = (