diff --git a/pkgs/development/libraries/jama/default.nix b/pkgs/development/libraries/jama/default.nix
index 36eedadc4c2e..29fabdbb3b63 100644
--- a/pkgs/development/libraries/jama/default.nix
+++ b/pkgs/development/libraries/jama/default.nix
@@ -3,7 +3,7 @@
 stdenv.mkDerivation rec {
   name = "jama-${version}";
   version = "1.2.5";
-  
+
   src = fetchurl {
     url = https://math.nist.gov/tnt/jama125.zip;
     sha256 = "031ns526fvi2nv7jzzv02i7i5sjcyr0gj884i3an67qhsx8vyckl";
@@ -21,9 +21,10 @@ stdenv.mkDerivation rec {
       cp *.h $out/include
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = https://math.nist.gov/tnt/;
     description = "JAMA/C++ Linear Algebra Package: Java-like matrix C++ templates";
-    platforms = stdenv.lib.platforms.unix;
+    platforms = platforms.unix;
+    license = licenses.publicDomain;
   };
 }