diff --git a/pkgs/by-name/ti/timbreid/package.nix b/pkgs/by-name/ti/timbreid/package.nix
index 31dca749e93f..d75c31eac9a9 100644
--- a/pkgs/by-name/ti/timbreid/package.nix
+++ b/pkgs/by-name/ti/timbreid/package.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation (finalAttrs: {
   meta = {
     description = "Collection of audio feature analysis externals for puredata";
     homepage = "http://williambrent.conflations.com/pages/research.html";
-    license = lib.licenses.gpl3;
+    license = lib.licenses.gpl3Plus;
     maintainers = [ lib.maintainers.magnetophon ];
     platforms = lib.platforms.linux;
   };