diff --git a/nuimo_openhab/app_builder.py b/nuimo_openhab/app_builder.py
index bab09b6..f0fd43b 100644
--- a/nuimo_openhab/app_builder.py
+++ b/nuimo_openhab/app_builder.py
@@ -5,7 +5,7 @@
 
 
 class OpenHabAppBuilder:
-    def __init__(self, openhab : openHAB, sitemapName = "nuimo"):
+    def __init__(self, openhab : OpenHAB, sitemapName = "nuimo"):
         self.openhab = openhab
         self.sitemapName = sitemapName
         self.sitemap = dict()
@@ -93,4 +93,4 @@ def compare_sitemap_config(self, sitemap1, sitemap2):
             logging.debug("Sitemap configuration is do not match. Value '%s' is differs from '%s", sitemap1, sitemap2)
             return False
 
-        return True
\ No newline at end of file
+        return True
diff --git a/nuimo_openhab/listener.py b/nuimo_openhab/listener.py
index 5e9a94b..acb28ed 100644
--- a/nuimo_openhab/listener.py
+++ b/nuimo_openhab/listener.py
@@ -6,7 +6,7 @@
 
 import nuimo
 import requests
-from openhab import openHAB
+from openhab import OpenHAB
 
 import nuimo_menue
 from nuimo_openhab.util import config
@@ -14,7 +14,7 @@
 
 class OpenHabItemListener(nuimo_menue.model.AppListener):
 
-    def __init__(self, openhab: openHAB):
+    def __init__(self, openhab: OpenHAB):
         self.openhab = openhab
         self.widgets = []
         self.sliderWidgets = []
@@ -156,4 +156,4 @@ def handleSliders(self, rotationOffset):
                     if widget["sendFrequency"] != 0:
                         threading.Timer(widget["sendFrequency"]/1000, self.handleSliders, [0]).start()
 
-        return self.lastSliderState
\ No newline at end of file
+        return self.lastSliderState