diff --git a/app/models/service.rb b/app/models/service.rb
index e9b6f005aec..f7e3f7590ad 100644
--- a/app/models/service.rb
+++ b/app/models/service.rb
@@ -206,7 +206,11 @@ class Service < ActiveRecord::Base
     args.each do |arg|
       class_eval %{
         def #{arg}?
-          ActiveRecord::ConnectionAdapters::Column::TRUE_VALUES.include?(#{arg})
+          if Gitlab.rails5?
+            !ActiveModel::Type::Boolean::FALSE_VALUES.include?(#{arg})
+          else
+            ActiveRecord::ConnectionAdapters::Column::TRUE_VALUES.include?(#{arg})
+          end
         end
       }
     end