diff --git a/debian/copyright b/debian/copyright
index cb625d8..732001a 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -27,5 +27,5 @@
 
 Files: debian/*
 Copyright: 2014, Barak A. Pearlmutter
-License: Public Domain
+License: Public-Domain
  This material is released into the public domain.