1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/tools/filesystems/zerofree/default.nix b/pkgs/tools/filesystems/zerofree/default.nix
index d44e92a33c46d..77099a01e44f6 100644
--- a/pkgs/tools/filesystems/zerofree/default.nix
+++ b/pkgs/tools/filesystems/zerofree/default.nix
@@ -27,7 +27,7 @@ in stdenv.mkDerivation rec {
     homepage = "https://frippery.org/uml/";
     description = "Zero free blocks from ext2, ext3 and ext4 file-systems";
     platforms = lib.platforms.linux;
-    license = lib.licenses.gpl2;
+    license = lib.licenses.gpl2Only;
     maintainers = [ lib.maintainers.theuni ];
     mainProgram = "zerofree";
   };