diff --git a/smstool.py b/smstool.py
index f1866e8..4176d0e 100644
--- a/smstool.py
+++ b/smstool.py
@@ -6,7 +6,7 @@ from re import sub
 
 SMSLEN = 160
 
-class SmsToolFrame(wxFrame):
+class SimserFrame(wxFrame):
   def __init__(self, parent, id, title):
     wxFrame.__init__(self, parent, id, title,
              wxPoint(100, 100), wxSize(450, 70))
@@ -67,12 +67,12 @@ class SmsToolFrame(wxFrame):
   def OnChange(self, event):
     self.zaehler.SetLabel(str(SMSLEN-len(self.textCtrl.GetValue())))
 
-class SmsTool(wxApp):
+class Simser(wxApp):
   def OnInit(self):
-    frame = SmsToolFrame(NULL, -1, "SmsTool")
+    frame = SimserFrame(NULL, -1, "Simser")
     frame.Show(true)
     self.SetTopWindow(frame)
     return true
 
-smstool=SmsTool(0)
+smstool=Simser(0)
 smstool.MainLoop()