diff --git a/src/.htaccess b/src/.htaccess
index 22a749adc6bdd2fdc909ca191ade5c098003452e_c3JjLy5odGFjY2Vzcw==..47dd28e90d950618826c005888be76a879ad2992_c3JjLy5odGFjY2Vzcw== 100644
--- a/src/.htaccess
+++ b/src/.htaccess
@@ -8,9 +8,7 @@
 
 ErrorDocument 404 /404
 
-SetEnvIf Request_URI ^/(en|de)/ prefer-language=$1
-
 RewriteEngine On
 # This corrects missing /
 RewriteRule ^/(en|de)$ /$1/ [R,L]
 # This redirects Apache to existing file
@@ -13,8 +11,8 @@
 RewriteEngine On
 # This corrects missing /
 RewriteRule ^/(en|de)$ /$1/ [R,L]
 # This redirects Apache to existing file
-RewriteRule ^/(en|de)/(.*)$ /$2
+RewriteRule ^/(en|de)/(.*)$ /$2 [PT,E=prefer-language:$1]
 
 RedirectMatch temp ^/security/(.*)$ http://www.mozilla.org/security/$1