diff --git a/pkgs/development/nim-packages/tkrzw/default.nix b/pkgs/development/nim-packages/tkrzw/default.nix
index 15a76ae812a0..9f88067f988a 100644
--- a/pkgs/development/nim-packages/tkrzw/default.nix
+++ b/pkgs/development/nim-packages/tkrzw/default.nix
@@ -14,7 +14,7 @@ buildNimPackage rec {
   meta = with lib;
     src.meta // {
       description = "Nim wrappers over some of the Tkrzw C++ library";
-      license = lib.licenses.apsl20;
+      license = lib.licenses.asl20;
       maintainers = with lib.maintainers; [ ehmry ];
     };
 }