Scala Plugin with syntax color in *.scala.html files

Hi

I've created an play framework application sample (www.playframework.com/) but when i load with IntelliJ IDEA, the files with extensions *.scala.html don't have the correct syntax (the part with HTML looks ok, like HTML, but the part with scala not

(Note: Of course, I've installed the scala pluggin and the rest of the application looks fine)