diff --git a/pkgs/applications/audio/virtual-ans/default.nix b/pkgs/applications/audio/virtual-ans/default.nix
index 07f006aa0cc1..a14d5c5a37e2 100644
--- a/pkgs/applications/audio/virtual-ans/default.nix
+++ b/pkgs/applications/audio/virtual-ans/default.nix
@@ -81,7 +81,7 @@ stdenv.mkDerivation rec {
       '';
     homepage = "https://warmplace.ru/soft/ans/";
     sourceProvenance = with sourceTypes; [ binaryNativeCode ];
-    license = licenses.free;
+    license = licenses.unfreeRedistributable;
     # I cannot test the Darwin version, so I'll leave it disabled
     platforms = [ "x86_64-linux" "i686-linux" ];
     maintainers = with maintainers; [ jacg ];