diff --git a/conf/config.php b/conf/config.php
index fd82e20..e36df2b 100755
--- a/conf/config.php
+++ b/conf/config.php
@@ -74,8 +74,9 @@ $START_PAGE = 'main'; // Which page should be default (start page)?
 $RSS = '<a href="./var/rss.xml">RSS</a>';
 
 // if needed (if autodetection doesn't work), force language
-//$LANG = fr;
-$LANG = __LANGUAGE__;
+$LANG = en;
+//$LANG = __LANGUAGE__;
+// (it looks like forcing another language crashes lionwiki so it's better to keep LANG=en at the moment... autodetection seems to work anyway)
 
 /* see the file config.t2t to tweak the syntax and even more! */
 
diff --git a/scripts/install b/scripts/install
index ab15b95..ae03004 100755
--- a/scripts/install
+++ b/scripts/install
@@ -73,6 +73,12 @@ ynh_add_nginx_config
 # chmod again to fix unaccessible templates / css files
 chmod -R 755 "$install_dir"
 
+# don't allow read access to config.php for everyone
+chmod 750 "$install_dir"/config.php
+
+# chmod root folder
+chmod 750 "$install_dir"
+
 #=================================================
 # END OF SCRIPT
 #=================================================