diff --git a/nginx_proxy.py b/nginx_proxy.py
index 78e3cf0..e816a6e 100755
--- a/nginx_proxy.py
+++ b/nginx_proxy.py
@@ -110,7 +110,7 @@ def handle_container(id):
     for env_key in env_vars:
         env_data = env_vars[env_key]
         if not check_proxy_data_format(env_data):
-            logging.info('cannot handle container with id "%s" named "%s": %s', id, extract_name(inspect_data), env_var)
+            logging.info('cannot handle container with id "%s" named "%s": %s', id, extract_name(inspect_data), env_data)
             return
         proxy_data = analyse_proxy_data(env_data)
         container_listen_ip = get_if_available(proxy_data, 'ip', '0.0.0.0')