diff --git a/lib/hidapi/hidconsole.py b/lib/hidapi/hidconsole.py
index bb95ce77..bc7bf4c0 100644
--- a/lib/hidapi/hidconsole.py
+++ b/lib/hidapi/hidconsole.py
@@ -158,8 +158,8 @@ def _open(args):
         '.. Opened handle %r, vendor %r product %r serial %r.' %
         (handle, _hid.get_manufacturer(handle), _hid.get_product(handle), _hid.get_serial(handle))
     )
-    if False and args.hidpp:
-        if _hid.get_manufacturer(handle) != b'Logitech':
+    if args.hidpp:
+        if _hid.get_manufacturer(handle) is not None and _hid.get_manufacturer(handle) != b'Logitech':
             sys.exit('!! Only Logitech devices support the HID++ protocol.')
         print('.. HID++ validation enabled.')
     else:
diff --git a/lib/logitech_receiver/descriptors.py b/lib/logitech_receiver/descriptors.py
index 4a390ad0..4535bc4d 100644
--- a/lib/logitech_receiver/descriptors.py
+++ b/lib/logitech_receiver/descriptors.py
@@ -307,7 +307,7 @@ _D('G500s Gaming Mouse', codename='G500s Gaming', usbid=0xc24e, interface=1, pro
 _D('G502 Proteus Spectrum Optical Mouse', codename='G502 Proteus Spectrum', usbid=0xc332, interface=1)
 _D('Logitech PRO Gaming Keyboard', codename='PRO Gaming Keyboard', usbid=0xc339, interface=1)
 
-_D('Logitech MX Revolution Mouse M-RCL 124', codename='M-RCL 124', usbid=0xb007, interface=1)
+_D('Logitech MX Revolution Mouse M-RCL 124', codename='M-RCL 124', btid=0xb007, interface=1)
 
 # Trackballs