diff --git a/audeer/core/tqdm.py b/audeer/core/tqdm.py
index c32dca2..b062120 100644
--- a/audeer/core/tqdm.py
+++ b/audeer/core/tqdm.py
@@ -104,6 +104,7 @@ def progress_bar(
         disable=disable,
         desc=format_display_message(desc, pbar=True),
         leave=config.TQDM_LEAVE,
+        smoothing=0,
     )