diff --git a/torchreid/utils/tools.py b/torchreid/utils/tools.py
index 518fa1886..2ccf63ab0 100644
--- a/torchreid/utils/tools.py
+++ b/torchreid/utils/tools.py
@@ -83,7 +83,7 @@ def _reporthook(count, block_size, total_size):
             return
         duration = time.time() - start_time
         progress_size = int(count * block_size)
-        speed = int(progress_size / (1024*duration))
+        speed = 0 if duration == 0 else int(progress_size / (1024*duration))
         percent = int(count * block_size * 100 / total_size)
         sys.stdout.write(
             '\r...%d%%, %d MB, %d KB/s, %d seconds passed' %