diff --git a/publishconf.py b/publishconf.py
index 86f66edd468065193fb054fef5e528681cfc7e31..b5958fe7058bb5364ae72b1289f799fe9a0f8713 100644
--- a/publishconf.py
+++ b/publishconf.py
@@ -41,7 +41,9 @@ PYGMENTS_STYLE = 'default'
 PATH_METADATA = 'pages/(?P<path>.*)\..*'
 
 JINJA_EXTENSIONS = ['jinja2.ext.i18n']
-JINJA_ENVIRONMENT = JINJA_EXTENSIONS.copy() # for latest pelican version
+JINJA_ENVIRONMENT = { 
+        'extensions': JINJA_EXTENSIONS.copy() # for latest pelican version
+        }
 
 I18N_SUBSITES = {
 }