diff --git a/pkgs/development/libraries/science/math/blas/default.nix b/pkgs/development/libraries/science/math/blas/default.nix
index 5d0f1fa90d7..22eced7d070 100644
--- a/pkgs/development/libraries/science/math/blas/default.nix
+++ b/pkgs/development/libraries/science/math/blas/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
 
   meta = {
     description = "Basic Linear Algebra Subprograms";
-    license = "Free, copyrighted";
+    license = "public domain";
     homepage = "http://www.netlib.org/blas/";
   };
 }