diff --git a/src/calibre/devices/nook/driver.py b/src/calibre/devices/nook/driver.py
index dfbd8e2903..f5b04402d2 100644
--- a/src/calibre/devices/nook/driver.py
+++ b/src/calibre/devices/nook/driver.py
@@ -13,7 +13,6 @@ import os
 import cStringIO
 
 from calibre import fsync
-from calibre.constants import isosx
 from calibre.devices.usbms.driver import USBMS
 
 
@@ -88,11 +87,11 @@ class NOOK_COLOR(NOOK):
     name           = 'Nook Color Device Interface'
     description    = _('Communicate with the Nook Color, TSR, Glowlight and Tablet eBook readers.')
 
-    PRODUCT_ID  = [0x002, 0x003, 0x004,
-                   # Glowlight from 2013
-                   0x007]
-    if isosx:
-        PRODUCT_ID.append(0x005)  # Nook HD+
+    PRODUCT_ID  = [
+        0x002, 0x003, 0x004,
+        0x005,  # Nook HD+
+        0x007,  # Glowlight from 2013
+    ]
     BCD         = [0x216]
 
     WINDOWS_MAIN_MEM = WINDOWS_CARD_A_MEM = ['EBOOK_DISK', 'NOOK_TABLET',
@@ -115,4 +114,3 @@ class NOOK_COLOR(NOOK):
         path = os.path.join(path, subdir)
         return USBMS.create_upload_path(self, path, mdata, fname,
                 create_dirs=create_dirs)
-