1 files changed, 4 insertions, 0 deletions
diff --git a/lib/puppet/rails.rb b/lib/puppet/rails.rb
index c941d8f3d..34ca58c5a 100644
--- a/lib/puppet/rails.rb
+++ b/lib/puppet/rails.rb
@@ -22,6 +22,10 @@ module Puppet::Rails
             ActiveRecord::Base.logger.level = Logger::DEBUG
         end
 
+        if (::ActiveRecord::VERSION::MAJOR == 2 and ::ActiveRecord::VERSION::MINOR <= 1)
+            ActiveRecord::Base.allow_concurrency = true
+        end
+
         ActiveRecord::Base.verify_active_connections!
 
         begin