diff --git a/src/calibre/devices/misc.py b/src/calibre/devices/misc.py
index 07b381d11a..01eba48a30 100644
--- a/src/calibre/devices/misc.py
+++ b/src/calibre/devices/misc.py
@@ -224,7 +224,7 @@ class TREKSTOR(USBMS):
     FORMATS     = ['epub', 'txt', 'pdf']
 
     VENDOR_ID   = [0x1e68]
-    PRODUCT_ID  = [0x0041]
+    PRODUCT_ID  = [0x0041, 0x0042]
     BCD         = [0x0002]
 
     EBOOK_DIR_MAIN = 'Ebooks'