diff --git a/pkgs/by-name/ae/aesfix/package.nix b/pkgs/by-name/ae/aesfix/package.nix
index aede73905fe2..5c0a7dd3b315 100644
--- a/pkgs/by-name/ae/aesfix/package.nix
+++ b/pkgs/by-name/ae/aesfix/package.nix
@@ -24,5 +24,6 @@ stdenv.mkDerivation (finalAttrs: {
     mainProgram = "aesfix";
     homepage = "https://citp.princeton.edu/our-work/memory/";
     maintainers = with lib.maintainers; [ fedx-sudo ];
+    license = lib.licenses.bsd3;
   };
 })