diff --git a/setup.py b/setup.py
index cb5b1d94f..85caab92c 100644
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,7 @@ import unittest
 
 # this list MUST be a subset of _LOCALE_NAMES in gen/utils/grampslocale.py
 # (that is, if you add a new language here, be sure it's in _LOCALE_NAMES too)
-ALL_LINGUAS = ('ar', 'bg', 'ca', 'cs', 'da', 'de', 'el', 'en_GB', 'es',
+ALL_LINGUAS = ('ar', 'bg', 'ca', 'cs', 'da', 'de', 'el', 'en_GB', 'eo', 'es',
                'fi', 'fr', 'he', 'hr', 'hu', 'it', 'ja', 'lt', 'nb', 'nl',
                'nn', 'pl', 'pt_BR', 'pt_PT', 'ru', 'sk', 'sl', 'sq', 'sv',
                'uk', 'vi', 'zh_CN', 'zh_TW')