diff --git a/webserver/templates/sites/mediawiki.conf b/webserver/templates/sites/mediawiki.conf
index ba43081e209181729dc4860ea41de4caffd6ce76..ab83afd63f25083314788cbd5456cf42ed88c527 100644
--- a/webserver/templates/sites/mediawiki.conf
+++ b/webserver/templates/sites/mediawiki.conf
@@ -1,7 +1,7 @@
 server {
     {% if server.port is defined %}
 
-    listen {{server.port}};
+    listen localhost:{{server.port}};
     {% else %}
 
     listen unix:{{server.socket}};
diff --git a/webserver/templates/sites/webapp.conf b/webserver/templates/sites/webapp.conf
index 8328c4c2fbd0337e75c060328deb574041f6bb8f..34f7f40fe21d4d75ec2c102cab857f62766b0506 100644
--- a/webserver/templates/sites/webapp.conf
+++ b/webserver/templates/sites/webapp.conf
@@ -1,7 +1,7 @@
 server {
     {% if server.port is defined %}
 
-    listen {{server.port}};
+    listen localhost:{{server.port}};
     {% else %}
 
     listen unix:{{server.socket}};