diff --git a/generic_trainer/tester.py b/generic_trainer/tester.py
index 0de86b0..35f87c5 100644
--- a/generic_trainer/tester.py
+++ b/generic_trainer/tester.py
@@ -7,6 +7,7 @@
 import tqdm
 
 import generic_trainer.trainer as trainer
+from generic_trainer.trainer import LossTracker
 from generic_trainer.configs import *
 from generic_trainer.inference_util import *
 
@@ -25,6 +26,7 @@ class Tester(trainer.Trainer):
 
     def __init__(self, configs: InferenceConfig):
         super().__init__(configs, skip_init=True)
+        self.loss_tracker = None
         self.rank = 0
         self.num_processes = 1
         self.gatekeeper = None
@@ -51,6 +53,7 @@ def build(self):
         self.build_ranks()
         self.build_scalable_parameters()
         self.build_device()
+        self.build_loss_tracker()
         self.build_dataset()
         self.build_dataloaders()
         self.build_model()