diff --git a/searx/settings.py b/searx/settings.py
index 9efdc20e..70b7a451 100644
--- a/searx/settings.py
+++ b/searx/settings.py
@@ -13,4 +13,4 @@ blacklist = [] # search engine blacklist
 
 categories = {} # custom search engine categories
 
-hostname = None # domain name or None - if you want to rewrite the default HTTP host
+base_url = None # "https://your.domain.tld/" or None (to use request parameters)
diff --git a/searx/webapp.py b/searx/webapp.py
index 6ac0046f..c95cae2c 100644
--- a/searx/webapp.py
+++ b/searx/webapp.py
@@ -165,8 +165,8 @@ def opensearch():
         method = 'get'
     if request.is_secure:
         scheme = 'https'
-    if settings.hostname:
-        hostname = '{0}://{1}/'.format(scheme,settings.hostname)
+    if settings.base_url:
+        hostname = settings.base_url
     else:
         hostname = url_for('index', _external=True, _scheme=scheme)
     ret = opensearch_xml.format(method=method, host=hostname)