diff --git a/app.py b/app.py
index 55f5b80..ea728a4 100644
--- a/app.py
+++ b/app.py
@@ -37,7 +37,7 @@ def main():
     logging.debug('Get consumer list from redis at first: Done')
     temp_dict = { }
     
-    hostname = socket.gethostname()
+    host_name = socket.gethostname()
     current_ip = socket.gethostbyname(host_name)
 
     for ip in ip_list: