diff --git a/utils/templates/etc/apache2/sites-available/searx.conf:filtron b/utils/templates/etc/apache2/sites-available/searx.conf:filtron
index f0914e9f..11bd7037 100644
--- a/utils/templates/etc/apache2/sites-available/searx.conf:filtron
+++ b/utils/templates/etc/apache2/sites-available/searx.conf:filtron
@@ -1,15 +1,23 @@
 # -*- coding: utf-8; mode: apache -*-
 
+ProxyPreserveHost On
+
 <Location ${FILTRON_URL_PATH} >
 
     Require all granted
-    Allow from all
-
     Order deny,allow
     Deny from all
     #Allow from fd00::/8 192.168.0.0/16 fe80::/10 127.0.0.0/8 ::1
+    Allow from all
 
-    ProxyPass "http://127.0.0.1:4004"
-    RequestHeader set "X-Script-Name" "${FILTRON_URL_PATH}"
+    ProxyPass http://${FILTRON_LISTEN}
+    RequestHeader set X-Script-Name ${FILTRON_URL_PATH}
+
+    # In Apache it seems, that setting HTTP_HOST header direct here does have no
+    # effect.  I needed to set 'ProxyPreserveHost On' (see above).  HTTP_HOST is
+    # needed by searx to render correct *Search URL* in the *Link* box and
+    # *saved preference*.
+
+    # RequestHeader set Host ${PUBLIC_HOST}
 
 </Location>