diff --git a/pkgs/development/python-modules/minio/default.nix b/pkgs/development/python-modules/minio/default.nix
index bd1e5417069f..7799a7a9ef6d 100644
--- a/pkgs/development/python-modules/minio/default.nix
+++ b/pkgs/development/python-modules/minio/default.nix
@@ -29,6 +29,8 @@ buildPythonPackage rec {
   ];
 
   checkInputs = [ faker mock nose pytestCheckHook ];
+  # example credentials aren't present
+  pytestFlagsArray = [ "--ignore=tests/unit/credentials_test.py" ];
 
   meta = with lib; {
     description = "Simple APIs to access any Amazon S3 compatible object storage server";