diff --git a/torchreid/__init__.py b/torchreid/__init__.py
index bcd4f78..25aa5f8 100644
--- a/torchreid/__init__.py
+++ b/torchreid/__init__.py
@@ -2,7 +2,7 @@ from __future__ import print_function, absolute_import
 
 from torchreid import data, optim, utils, engine, losses, models, metrics
 
-__version__ = '1.3.0'
+__version__ = '1.3.1'
 __author__ = 'Kaiyang Zhou'
 __homepage__ = 'https://kaiyangzhou.github.io/'
 __description__ = 'Deep learning person re-identification in PyTorch'
diff --git a/torchreid/engine/engine.py b/torchreid/engine/engine.py
index 13629d5..be62170 100644
--- a/torchreid/engine/engine.py
+++ b/torchreid/engine/engine.py
@@ -31,6 +31,7 @@ class Engine(object):
         self.test_loader = self.datamanager.test_loader
         self.use_gpu = (torch.cuda.is_available() and use_gpu)
         self.writer = None
+        self.epoch = 0
 
         self.model = None
         self.optimizer = None
@@ -166,7 +167,6 @@ class Engine(object):
 
         if test_only:
             self.test(
-                0,
                 dist_metric=dist_metric,
                 normalize_feature=normalize_feature,
                 visrank=visrank,
@@ -198,7 +198,6 @@ class Engine(object):
                and (self.epoch+1) % eval_freq == 0 \
                and (self.epoch + 1) != self.max_epoch:
                 rank1 = self.test(
-                    self.epoch,
                     dist_metric=dist_metric,
                     normalize_feature=normalize_feature,
                     visrank=visrank,
@@ -208,12 +207,10 @@ class Engine(object):
                     ranks=ranks
                 )
                 self.save_model(self.epoch, rank1, save_dir)
-                self.writer.add_scalar('Test/rank1', rank1, self.epoch)
 
         if self.max_epoch > 0:
             print('=> Final test')
             rank1 = self.test(
-                self.epoch,
                 dist_metric=dist_metric,
                 normalize_feature=normalize_feature,
                 visrank=visrank,
@@ -223,7 +220,6 @@ class Engine(object):
                 ranks=ranks
             )
             self.save_model(self.epoch, rank1, save_dir)
-            self.writer.add_scalar('Test/rank1', rank1, self.epoch)
 
         elapsed = round(time.time() - time_start)
         elapsed = str(datetime.timedelta(seconds=elapsed))
@@ -295,7 +291,6 @@ class Engine(object):
 
     def test(
         self,
-        epoch,
         dist_metric='euclidean',
         normalize_feature=False,
         visrank=False,
@@ -326,8 +321,7 @@ class Engine(object):
             print('##### Evaluating {} ({}) #####'.format(name, domain))
             query_loader = self.test_loader[name]['query']
             gallery_loader = self.test_loader[name]['gallery']
-            rank1 = self._evaluate(
-                epoch,
+            rank1, mAP = self._evaluate(
                 dataset_name=name,
                 query_loader=query_loader,
                 gallery_loader=gallery_loader,
@@ -341,12 +335,15 @@ class Engine(object):
                 rerank=rerank
             )
 
+            if self.writer is not None:
+                self.writer.add_scalar(f'Test/{name}/rank1', rank1, self.epoch)
+                self.writer.add_scalar(f'Test/{name}/mAP', mAP, self.epoch)
+
         return rank1
 
     @torch.no_grad()
     def _evaluate(
         self,
-        epoch,
         dataset_name='',
         query_loader=None,
         gallery_loader=None,
@@ -433,7 +430,7 @@ class Engine(object):
                 topk=visrank_topk
             )
 
-        return cmc[0]
+        return cmc[0], mAP
 
     def compute_loss(self, criterion, outputs, targets):
         if isinstance(outputs, (tuple, list)):