diff --git a/pkgs/development/python-modules/shippai/default.nix b/pkgs/development/python-modules/shippai/default.nix
index 5f9fa408d0f7..ac035061692b 100644
--- a/pkgs/development/python-modules/shippai/default.nix
+++ b/pkgs/development/python-modules/shippai/default.nix
@@ -14,6 +14,6 @@ buildPythonPackage rec {
     description = "Use Rust failures as Python exceptions";
     homepage = https://github.com/untitaker/shippai;
     license = licenses.mit;
-    maintainer = with maintainers; [ gebner ];
+    maintainers = with maintainers; [ gebner ];
   };
 }