diff --git a/pkgs/development/tools/analysis/emma/default.nix b/pkgs/development/tools/analysis/emma/default.nix
index c4e37e5c700a..1bd24b4785d0 100644
--- a/pkgs/development/tools/analysis/emma/default.nix
+++ b/pkgs/development/tools/analysis/emma/default.nix
@@ -19,5 +19,6 @@ stdenv.mkDerivation {
     homepage = http://emma.sourceforge.net/;
     description = "A code coverage tool for Java";
     platforms = stdenv.lib.platforms.unix;
+    license = stdenv.lib.licenses.cpl10;
   };
 }