diff --git a/src/schrittmotor.py b/src/schrittmotor.py
index 356e4c4..37530cb 100644
--- a/src/schrittmotor.py
+++ b/src/schrittmotor.py
@@ -53,10 +53,7 @@ class motor():
             self.pwm4.start(0)
 
     def stop(self):
-        self.pwm1.stop()
-        self.pwm2.stop()
-        self.pwm3.stop()
-        self.pwm4.stop()
+        self.pwm4.ChangeFrequency(self.freq)
 
     def vorwaerts(self, schritte):
         ges_schritte = schritte * 8