diff --git a/pkgs/development/python-modules/syslog-rfc5424-formatter/default.nix b/pkgs/development/python-modules/syslog-rfc5424-formatter/default.nix
index c3fc676da5c9..b4dd7387af09 100644
--- a/pkgs/development/python-modules/syslog-rfc5424-formatter/default.nix
+++ b/pkgs/development/python-modules/syslog-rfc5424-formatter/default.nix
@@ -9,6 +9,8 @@ buildPythonPackage (finalAttrs: {
   version = "1.2.3";
   format = "setuptools";
 
+  __structuredAttrs = true;
+
   src = fetchFromGitHub {
     owner = "easypost";
     repo = "syslog-rfc5424-formatter";