diff --git a/pkgs/development/python-modules/pyenphase/default.nix b/pkgs/development/python-modules/pyenphase/default.nix
index e88b05820039..550142666bdb 100644
--- a/pkgs/development/python-modules/pyenphase/default.nix
+++ b/pkgs/development/python-modules/pyenphase/default.nix
@@ -19,7 +19,7 @@
 buildPythonPackage rec {
   pname = "pyenphase";
   version = "1.16.0";
-  format = "pyproject";
+  pyproject = true;
 
   disabled = pythonOlder "3.11";
 
@@ -68,7 +68,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Library to control enphase envoy";
     homepage = "https://github.com/pyenphase/pyenphase";
-    changelog = "https://github.com/pyenphase/pyenphase/blob/${version}/CHANGELOG.md";
+    changelog = "https://github.com/pyenphase/pyenphase/blob/v${version}/CHANGELOG.md";
     license = licenses.mit;
     maintainers = with maintainers; [ fab ];
   };