diff --git a/interface_handler.py b/interface_handler.py
index 269f950..611d159 100644
--- a/interface_handler.py
+++ b/interface_handler.py
@@ -2,7 +2,7 @@ from enum import Enum
 from xml_reader import Xml_reader
 import RPi.GPIO as GPIO
 
-class interface_handler:
+class Interface_handler:
     """handles the access to the various interfaces (e.g. GPIO)
     """