diff --git a/pkgs/applications/networking/mailreaders/mailpile/default.nix b/pkgs/applications/networking/mailreaders/mailpile/default.nix
index 5b18d29d9c1..9cfbf8c63c2 100644
--- a/pkgs/applications/networking/mailreaders/mailpile/default.nix
+++ b/pkgs/applications/networking/mailreaders/mailpile/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage rec {
   meta = with stdenv.lib; {
     description = "A modern, fast web-mail client with user-friendly encryption and privacy features";
     homepage = https://www.mailpile.is/;
-    license = [ licenses.asl20 licenses.agpl3 ];
+    license = map (getAttr "shortName") [ licenses.asl20 licenses.agpl3 ];
     platforms = platforms.linux;
     maintainers = [ maintainers.iElectric ];
   };