diff --git a/src/calibre/devices/eb600/driver.py b/src/calibre/devices/eb600/driver.py
index c9d0b0b22f..fdd033b33f 100644
--- a/src/calibre/devices/eb600/driver.py
+++ b/src/calibre/devices/eb600/driver.py
@@ -64,4 +64,6 @@ class COOL_ER(EB600):
     VENDOR_NAME = 'COOL-ER'
     WINDOWS_MAIN_MEM = 'EREADER'
 
+    OSX_MAIN_MEM = 'COOL-ER eReader Media'
+
     EBOOK_DIR_MAIN = 'my docs'