diff --git a/lang_agent/eval/evaluator.py b/lang_agent/eval/evaluator.py
index a6a38da..aa3d17e 100644
--- a/lang_agent/eval/evaluator.py
+++ b/lang_agent/eval/evaluator.py
@@ -38,7 +38,7 @@ class Evaluator:
         logger.info("preparing to run experiment")
         self.pipeline:Pipeline = self.config.pipe_config.setup()
         self.cli = Client()
-        self.validator:ValidatorConfig = self.config.validator_config.setup(
+        self.validator:Validator = self.config.validator_config.setup(
                                                 dataset_name=self.config.dataset_name
                                             )
         self.dataset = self.cli.read_dataset(dataset_name=self.config.dataset_name)