diff --git a/src/.htaccess b/src/.htaccess
index fbf0da0d5644ccb5724d906d618910530c353d08_c3JjLy5odGFjY2Vzcw==..157cd6d5b730caa6b792e3dc6352f74363d70efc_c3JjLy5odGFjY2Vzcw== 100644
--- a/src/.htaccess
+++ b/src/.htaccess
@@ -8,5 +8,6 @@
 
 ErrorDocument 404 /404
 
+SetEnvIf Request_URI ^/(en|de)/ prefer-language=$1
 # This corrects missing /
 RewriteRule ^/(en|de)$ /$1/ [R,L]
@@ -11,7 +12,9 @@
 # This corrects missing /
 RewriteRule ^/(en|de)$ /$1/ [R,L]
-# This than redirect Apache to existing file
-RewriteRule ^/(en|de)/(.*)$ /$2 [PT,E=prefer-language:$1]
+# This redirects Apache to existing file
+RewriteRule ^/(en|de)/(.*)$ /$2
+
+SetEnvIf Request_URI ^/(en|de)/ prefer-language=$1
 
 RedirectMatch temp ^/security/(.*)$ http://www.mozilla.org/security/$1