diff --git a/infrastructure/stack.py b/infrastructure/stack.py
index dcc4139..468bbe5 100644
--- a/infrastructure/stack.py
+++ b/infrastructure/stack.py
@@ -153,7 +153,7 @@ class IptvUpdaterStack(Stack):
         userdata.add_commands(
             f'echo "COGNITO_USER_POOL_ID={user_pool.user_pool_id}" >> /etc/environment',
             f'echo "COGNITO_CLIENT_ID={client.user_pool_client_id}" >> /etc/environment',
-            f'echo "COGNITO_CLIENT_SECRET={client.user_pool_client_secret}" >> /etc/environment'
+            f'echo "COGNITO_CLIENT_SECRET={client.user_pool_client_secret.plain_text}" >> /etc/environment'
         )
         userdata.add_commands(str(userdata_file, 'utf-8'))