diff --git a/handler.py b/handler.py
index a963db6..3426644 100644
--- a/handler.py
+++ b/handler.py
@@ -131,7 +131,7 @@ def report(self, result):
                 print(f"Failed to publish metrics to CloudWatch:{e}")
 
 
-def port_check(event, context):
+def lambda_handler(event, context):
     """Lambda function handler"""
 
     config = Config(event)