diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index 4086ce187c..e229ffb766 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -308,7 +308,8 @@ from calibre.devices.jetbook.driver import JETBOOK
 plugins = [HTML2ZIP, EPUBInput, MOBIInput, PDBInput, PDFInput, HTMLInput,
         TXTInput, OEBOutput, TXTOutput, PDFOutput, LITInput, ComicInput,
         FB2Input, ODTInput, RTFInput, EPUBOutput, EREADEROutput, RecipeInput]
-plugins += [PRS505, PRS700, CYBOOKG3, KINDLE, KINDLE2, BLACKBERRY, EB600]
+plugins += [PRS505, PRS700, CYBOOKG3, KINDLE, KINDLE2, BLACKBERRY, EB600, \
+        JETBOOK]
 plugins += [x for x in list(locals().values()) if isinstance(x, type) and \
                                         x.__name__.endswith('MetadataReader')]
 plugins += [x for x in list(locals().values()) if isinstance(x, type) and \