diff --git a/src/schrittmotor.py b/src/schrittmotor.py
index b27c9f2..4efcdf5 100644
--- a/src/schrittmotor.py
+++ b/src/schrittmotor.py
@@ -135,9 +135,9 @@ class motor():
     def eichen(self):
         if self.aktiv == 0:
             if pi.read(self.endschalter) == 0:
-                self.vorwaerts(10, 1)
+                self.__vorwaerts(10, 1)
 
-            self.rueckwaerts(self.schritte_max, 1)
+            self.__rueckwaerts(self.schritte_max, 1)
             self.pos = 0
 
     def gehe_zu(self, position):
@@ -145,9 +145,9 @@ class motor():
             temp_schritte = int(position) - self.pos
             
             if temp_schritte > 0:
-                self.vorwaerts(temp_schritte)
+                self.__vorwaerts(temp_schritte)
             else:
-                self.rueckwaerts(abs(temp_schritte))
+                self.__rueckwaerts(abs(temp_schritte))
 
 class motor_bewegen(threading.Thread):
   def __init__(self, motor, position):