diff --git a/SoftOscilloscope.py b/SoftOscilloscope.py
index a1498ca..35ef724 100644
--- a/SoftOscilloscope.py
+++ b/SoftOscilloscope.py
@@ -71,7 +71,7 @@ def start(self):
 class SerialPlot(BasePlot):
     def __init__(self, com_port, baud_rate, **kwargs):
         self.serial_port = serial.Serial()
-        self.serial_port.baud_rate = baud_rate
+        self.serial_port.baudrate = baud_rate
         self.serial_port.port = com_port
         super(SerialPlot, self).__init__(self.serial_port, **kwargs)