diff --git a/pkgs/development/python-modules/mkdocs-material/mkdocs-material-extensions.nix b/pkgs/development/python-modules/mkdocs-material/mkdocs-material-extensions.nix
index 0dd9c1d32b61..e519284956d3 100644
--- a/pkgs/development/python-modules/mkdocs-material/mkdocs-material-extensions.nix
+++ b/pkgs/development/python-modules/mkdocs-material/mkdocs-material-extensions.nix
@@ -12,8 +12,8 @@ buildPythonPackage rec {
 
   src = fetchFromGitHub {
     owner = "facelessuser";
-    repo = pname;
-    rev = "refs/tags/${version}";
+    repo = "mkdocs-material-extensions";
+    tag = version;
     hash = "sha256-/jU30Ol10/4haR3ZPJWZ3iWRfXG/RUOU1oclOYGjjAY=";
   };