Fix compatibility with Ruby 1.9.3
Fix compatibility with Ruby 1.9.3

ysbaddaden/prax,ychaim/prax,dsager/prax,ychaim/prax,dsager/prax,ysbaddaden/prax,Kriechi/prax,Kriechi/prax,ysbaddaden/prax,ychaim/prax,ysbaddaden/prax,dsager/prax,dsager/prax,ychaim/prax,Kriechi/prax,Kriechi/prax