diff --git a/src/calibre/devices/misc.py b/src/calibre/devices/misc.py
index a2d1817de0..124f8e39c4 100644
--- a/src/calibre/devices/misc.py
+++ b/src/calibre/devices/misc.py
@@ -269,4 +269,5 @@ class NEXTBOOK(USBMS):
 
     VENDOR_NAME = 'NEXT2'
     WINDOWS_MAIN_MEM = WINDOWS_CARD_A_MEM = '1.0.14'
+    SUPPORTS_SUB_DIRS = True