diff --git a/app_helpers.rb b/app_helpers.rb
index 54f99a46..9195ddff 100644
--- a/app_helpers.rb
+++ b/app_helpers.rb
@@ -22,6 +22,7 @@ end
 def require_login
   redirect '/' unless signed_in?
   enforce_ban if banned?
+  signout if deleted?
 end
 
 def signed_in?
@@ -38,6 +39,11 @@ def parent_site
   current_site.parent? ? current_site : current_site.parent
 end
 
+def deleted?
+  return true if current_site && current_site.is_deleted
+  false
+end
+
 def banned?(ip_check=false)
   return true if session[:banned]
   return true if current_site && (current_site.is_banned || parent_site.is_banned)