diff --git a/src/libprs500/devices/prs505/driver.py b/src/libprs500/devices/prs505/driver.py
index f7a2525649..0bbe1f9a33 100644
--- a/src/libprs500/devices/prs505/driver.py
+++ b/src/libprs500/devices/prs505/driver.py
@@ -146,7 +146,7 @@ class PRS505(Device):
     def open_linux(self):
         import dbus
         bus = dbus.SystemBus() 
-        hm  = dbus.Interface(self.bus.get_object("org.freedesktop.Hal", "/org/freedesktop/Hal/Manager"), "org.freedesktop.Hal.Manager")
+        hm  = dbus.Interface(bus.get_object("org.freedesktop.Hal", "/org/freedesktop/Hal/Manager"), "org.freedesktop.Hal.Manager")
         try:
             mm = hm.FindDeviceStringMatch('libprs500.mainvolume', self.__class__.__name__)[0]
         except:
diff --git a/src/libprs500/linux.py b/src/libprs500/linux.py
index 1ea128aa0d..e2f3270f0f 100644
--- a/src/libprs500/linux.py
+++ b/src/libprs500/linux.py
@@ -196,8 +196,7 @@ def setup_udev_rules():
   <device>
       <match key="usb_device.vendor_id" int="%(vendor_id)s">
           <match key="usb_device.product_id" int="%(product_id)s">
-              <merge  key="libprs500.deviceclass" type="string">%(cls)s</merge>
-              <append key="info.callouts.add" type="strlist">%(prog)s</merge>
+              <merge key="libprs500.deviceclass" type="string">%(cls)s</merge>
           </match>
       </match>
   </device>