diff --git a/src/calibre/devices/cybook/driver.py b/src/calibre/devices/cybook/driver.py
index becb7912a9..c1a62fdbf3 100644
--- a/src/calibre/devices/cybook/driver.py
+++ b/src/calibre/devices/cybook/driver.py
@@ -65,8 +65,8 @@ class ORIZON(CYBOOK):
 
     BCD         = [0x319]
 
-    WINDOWS_MAIN_MEM = re.compile(r'CYBOOK_ORIZON__-FD')
-    WINDOWS_CARD_A_MEM = re.compile('CYBOOK_ORIZON__-SD')
+    WINDOWS_MAIN_MEM = re.compile(r'(CYBOOK_ORIZON__-FD)|(FILE-STOR_GADGET)')
+    WINDOWS_CARD_A_MEM = re.compile('(CYBOOK_ORIZON__-SD)|(FILE-STOR_GADGET)')
 
     EBOOK_DIR_MAIN = EBOOK_DIR_CARD_A = 'Digital Editions'