diff --git a/webroot/htaccess b/webroot/htaccess
index 76e34f0..9fde674 100644
--- a/webroot/htaccess
+++ b/webroot/htaccess
@@ -14,4 +14,5 @@
 #  image/me/me.jpg        Accessed through img.php.
 #  image/me/me.jpg?w=300  Using options to img.php.
 #
+RewriteEngine on
 RewriteRule ^image/(.*)$        img/img.php?src=$1 [QSA,NC,L]