diff --git a/hydrobot.py b/hydrobot.py
old mode 100644
new mode 100755
--- a/hydrobot.py
+++ b/hydrobot.py
@@ -1,4 +1,7 @@
+#!/usr/bin/env python
+
 import sys
+import os
 import time
 import _thread
 import ast
@@ -36,6 +39,8 @@ formatter = logging.Formatter('%(asctime
 fh.setFormatter(formatter)
 logger.addHandler(fh)
 
+
+
 logger.info("Starting HydroBot!")
     
 class MySeriesHelper(SeriesHelper):
@@ -95,12 +100,16 @@ class Database:
 
 class CanBus:
     
-    def __init__(self, database):
-        
+    def __init__(self, database, interface):
+         
+        # Bring up CAN interface (maybe do this in a systemd service file)
+        # Passing random arguments to sudo is super dangerous
+        os.system("sudo ip link set " + interface + " up type can bitrate 500000")
+
         self.database = database
-        self.dev = socketcan.SocketCanDev("can0")
+        self.dev = socketcan.SocketCanDev(interface)
         self.queue = queue.CanQueue(self.dev)
-        
+
         parser = jsondb.JsonDbParser()
         self.msgdb = parser.parse('hydrobot_can.json')
         
@@ -263,11 +272,15 @@ def func():
     print(1)
     
 
-def main():
-    
+def main(argv):
+
+    if len(argv) < 1:
+        print("Error: please specify a can interface")
+        return 1
+
     database = Database()
     
-    canbus = CanBus(database)
+    canbus = CanBus(database, argv[0])
     canbus.start()
     
     scheduler = Scheduler(canbus)
@@ -283,4 +296,4 @@ def close_program(signum, frame):
 signal.signal(signal.SIGINT, close_program)
 
 if __name__ == "__main__":
-    sys.exit(main())
+    sys.exit(main(sys.argv[1:]))
diff --git a/hydrobot@.service b/hydrobot@.service
--- a/hydrobot@.service
+++ b/hydrobot@.service
@@ -5,7 +5,7 @@ BindsTo=sys-subsystem-net-devices-%i.dev
 After=sys-subsystem-net-devices-%i.device
 
 [Service]
-ExecStart=/usr/bin/python hydrobot.py
+ExecStart=/opt/hydrobot-software/hydrobot.py %i
 WorkingDirectory=/opt/hydrobot-software
 
 User=hydrobot