diff --git a/source/Android/ui/dialoge/EntscheidungsDialog.py b/source/Android/ui/dialoge/EntscheidungsDialog.py
index ee8d35a..49417d2 100644
--- a/source/Android/ui/dialoge/EntscheidungsDialog.py
+++ b/source/Android/ui/dialoge/EntscheidungsDialog.py
@@ -137,7 +137,7 @@ class EntscheidungsDialog(Dialog):
             androide.dialogSetNegativeButtonText(self.text2)
         androide.dialogShow()
         tmpErg = androide.dialogGetResponse().result
-        if tmpErg.has_key('which'):
+        if 'which' in tmpErg:
             if tmpErg['which'] == 'positive':
                 self.ergebnis=1
             elif tmpErg['which'] == 'negative':