diff --git a/src/calibre/devices/scanner.py b/src/calibre/devices/scanner.py
index ab06db1af0..241d503c14 100644
--- a/src/calibre/devices/scanner.py
+++ b/src/calibre/devices/scanner.py
@@ -63,7 +63,13 @@ class WinPNPScanner(object):
         order = 0
         match = re.search(r'REV_.*?&(\d+)#', pnp_id)
         if match is None:
-            match = re.search(r'REV_.*?&(\d+)', pnp_id)
+            # Windows XP
+            # On the Nook Color this is the last digit
+            #
+            # USBSTOR\DISK&VEN_B&N&PROD_EBOOK_DISK&REV_0100\7&13EAFDB8&0&2004760017462009&1
+            # USBSTOR\DISK&VEN_B&N&PROD_EBOOK_DISK&REV_0100\7&13EAFDB8&0&2004760017462009&0
+            #
+            match = re.search(r'REV_.*&(\d+)', pnp_id)
         if match is not None:
             order = int(match.group(1))
         return order