diff --git a/pkgs/by-name/rs/rsop/package.nix b/pkgs/by-name/rs/rsop/package.nix
index 5e0410e955f7..f062afb9c244 100644
--- a/pkgs/by-name/rs/rsop/package.nix
+++ b/pkgs/by-name/rs/rsop/package.nix
@@ -39,7 +39,7 @@ rustPlatform.buildRustPackage (finalAttrs: {
     description = "Stateless OpenPGP (SOP) based on rpgp";
     license = with lib.licenses; [
       mit
-      apsl20
+      asl20
       cc0
     ];
     maintainers = with lib.maintainers; [ nikstur ];