diff --git a/train.py b/train.py
index bf9d6082..67c20aa3 100644
--- a/train.py
+++ b/train.py
@@ -108,6 +108,7 @@ def train():
         optimizer = optim.SGD(pg0, lr=hyp['lr0'], momentum=hyp['momentum'], nesterov=True)
     optimizer.add_param_group({'params': pg1, 'weight_decay': hyp['weight_decay']})  # add pg1 with weight_decay
     optimizer.add_param_group({'params': pg2})  # add pg2 (biases)
+    print('Optimizer groups: %g .bias, %g Conv2d.weight, %g other' % (len(pg2), len(pg1), len(pg0)))
     del pg0, pg1, pg2
 
     start_epoch = 0