diff --git a/config/settings.yml b/config/settings.yml
index ff72cb3c0..3343f1c6c 100644
--- a/config/settings.yml
+++ b/config/settings.yml
@@ -135,7 +135,7 @@ smtp:
     limit:   "_env:SMTPLIMIT:10"
 
 widget-memcached:
-  host:       "_env:WIDGET_MEMCACHED_HOST:"
+  host:       "_env:WIDGET_MEMCACHED_HOST:localhost"
   port:       "_env:WIDGET_MEMCACHED_PORT:11211"
   auth:       []
   limit:      "_env:WIDGET_MEMCACHED_LIMIT:1024"
@@ -144,7 +144,7 @@ widget-memcached:
   expiration: "_env:WIDGET_MEMCACHED_EXPIRATION:3600"
   
 session-memcached:
-  host:       "_env:SESSION_MEMCACHED_HOST:"
+  host:       "_env:SESSION_MEMCACHED_HOST:localhost"
   port:       "_env:SESSION_MEMCACHED_PORT:11211"
   auth:       []
   limit:      "_env:SESSION_MEMCACHED_LIMIT:1024"
@@ -152,7 +152,7 @@ session-memcached:
   expiration: "_env:SESSION_MEMCACHED_EXPIRATION:28807"
 
 memcached:
-  host:       "_env:MEMCACHED_HOST:"
+  host:       "_env:MEMCACHED_HOST:localhost"
   port:       "_env:MEMCACHED_PORT:11211"
   auth:       []
   limit:      "_env:MEMCACHED_LIMIT:1024"