diff --git a/pkgs/development/python-modules/azure-keyvault/default.nix b/pkgs/development/python-modules/azure-keyvault/default.nix
index 6506b010c7ef..4fedfd4cbf55 100644
--- a/pkgs/development/python-modules/azure-keyvault/default.nix
+++ b/pkgs/development/python-modules/azure-keyvault/default.nix
@@ -1,6 +1,6 @@
 { lib
 , buildPythonPackage
-, isPy27
+, pythonOlder
 , fetchPypi
 , azure-keyvault-certificates
 , azure-keyvault-keys