diff --git a/pkgs/development/libraries/java/gwt-widgets/default.nix b/pkgs/development/libraries/java/gwt-widgets/default.nix
index b182964f657..ec407076906 100644
--- a/pkgs/development/libraries/java/gwt-widgets/default.nix
+++ b/pkgs/development/libraries/java/gwt-widgets/default.nix
@@ -3,13 +3,14 @@
 stdenv.mkDerivation {
   name = "gwt-widgets-0.2.0";
   builder = ./builder.sh;
-  
+
   src = fetchurl {
     url = mirror://sourceforge/gwt-widget/gwt-widgets-0.2.0-bin.tar.gz;
     sha256 = "09isj4j6842rj13nv8264irkjjhvmgihmi170ciabc98911bakxb";
-  };  
+  };
 
-  meta = {
-    platforms = stdenv.lib.platforms.unix;
+  meta = with stdenv.lib; {
+    platforms = platforms.unix;
+    license = with licenses; [ afl21 lgpl2 ];
   };
 }