diff --git a/pkgs/development/libraries/liblastfmSF/default.nix b/pkgs/development/libraries/liblastfmSF/default.nix
index 73d996c5ec86..d9f460d44e8c 100644
--- a/pkgs/development/libraries/liblastfmSF/default.nix
+++ b/pkgs/development/libraries/liblastfmSF/default.nix
@@ -15,5 +15,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://liblastfm.sourceforge.net;
     description = "Unofficial C lastfm library";
+    license = stdenv.lib.licenses.gpl3;
   };
 }