diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index 35d7c846d0..7bdeaef481 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -438,7 +438,7 @@ from calibre.ebooks.txt.output import TXTOutput
 from calibre.customize.profiles import input_profiles, output_profiles
 
 from calibre.devices.apple.driver import ITUNES
-from calibre.devices.hanlin.driver import HANLINV3, HANLINV5, BOOX
+from calibre.devices.hanlin.driver import HANLINV3, HANLINV5, BOOX, SPECTRA
 from calibre.devices.blackberry.driver import BLACKBERRY
 from calibre.devices.cybook.driver import CYBOOK
 from calibre.devices.eb600.driver import EB600, COOL_ER, SHINEBOOK, \
@@ -567,6 +567,7 @@ plugins += [
     MENTOR,
     SWEEX,
     PDNOVEL,
+    SPECTRA,
     ITUNES,
 ]
 plugins += [x for x in list(locals().values()) if isinstance(x, type) and \
diff --git a/src/calibre/devices/hanlin/driver.py b/src/calibre/devices/hanlin/driver.py
index 10dd333b8d..3fbec66987 100644
--- a/src/calibre/devices/hanlin/driver.py
+++ b/src/calibre/devices/hanlin/driver.py
@@ -88,6 +88,8 @@ class SPECTRA(HANLINV3):
 
     FORMATS = ['epub', 'mobi', 'fb2', 'lit', 'prc', 'djvu', 'pdf', 'rtf', 'txt']
 
+    SUPPORTS_SUB_DIRS = True
+
 class HANLINV5(HANLINV3):
     name           = 'Hanlin V5 driver'
     gui_name       = 'Hanlin V5'