diff --git a/development.ini b/development.ini
--- a/development.ini
+++ b/development.ini
@@ -147,8 +147,8 @@ use = egg:kallithea
 full_stack = true
 static_files = true
 ## Available Languages:
-## de en fr ja pl pt_BR ru zh_CN zh_TW
-lang = en
+## cs de fr hu ja nl_BE pl pt_BR ru sk zh_CN zh_TW
+lang =
 cache_dir = %(here)s/data
 index_dir = %(here)s/data/index