diff --git a/pkgs/development/libraries/openbsm/default.nix b/pkgs/development/libraries/openbsm/default.nix
index 9f75bff40e9a..a9559c6abfba 100644
--- a/pkgs/development/libraries/openbsm/default.nix
+++ b/pkgs/development/libraries/openbsm/default.nix
@@ -18,5 +18,6 @@ stdenv.mkDerivation rec {
     homepage = http://www.openbsm.org/;
     platforms = lib.platforms.unix;
     maintainers = with lib.maintainers; [ matthewbauer ];
+    license = lib.licenses.bsd2;
   };
 }