diff --git a/app/models/project.rb b/app/models/project.rb
index e251c777d89..762b540b7a3 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -33,6 +33,7 @@ class Project < ActiveRecord::Base
   default_value_for :issues_enabled, true
   default_value_for :merge_requests_enabled, true
   default_value_for :wiki_enabled, true
+  default_value_for :wall_enabled, false
   default_value_for :snippets_enabled, true
 
   ActsAsTaggableOn.strict_case_match = true