diff --git a/MotorControl/MotorServer.py b/MotorControl/MotorServer.py
index 635a95a..8b67b2d 100755
--- a/MotorControl/MotorServer.py
+++ b/MotorControl/MotorServer.py
@@ -69,7 +69,7 @@ class MotorServicer(motorService_pb2_grpc.CarControlServicer):
         pvtKeyBytes = open(pvtKeyPath, 'rb').read()
         pvtCertBytes = open(pvtCertPath, 'rb').read()
 
-        return grpc.ssl_channel_credentials(pvtCertBytes, pvtKeyBytes)
+        return grpc.ssl_server_credentials([pvtKeyBytes, pvtCertBytes])
 
 motor = Motor()
 servo = Servo(servo_pin)