diff --git a/train.py b/train.py
index 951bda99..de578505 100644
--- a/train.py
+++ b/train.py
@@ -231,7 +231,7 @@ def estimate_loss():
 def get_lr(it):
     # 1) linear warmup for warmup_iters steps
     if it < warmup_iters:
-        return learning_rate * it / warmup_iters
+        return learning_rate * (it + 1) / (warmup_iters + 1)
     # 2) if it > lr_decay_iters, return min learning rate
     if it > lr_decay_iters:
         return min_lr