diff --git a/src/calibre/devices/misc.py b/src/calibre/devices/misc.py
index 9d58bbcae6..c7e0356f32 100644
--- a/src/calibre/devices/misc.py
+++ b/src/calibre/devices/misc.py
@@ -45,7 +45,7 @@ class KOBO(USBMS):
     BCD         = [0x0110]
 
     VENDOR_NAME = 'KOBO_INC'
-    WINDOWS_MAIN_MEM = '.KOBOEREADER'
+    WINDOWS_MAIN_MEM = WINDOWS_CARD_A_MEM = '.KOBOEREADER'
 
     EBOOK_DIR_MAIN = ''
     SUPPORTS_SUB_DIRS = True