diff --git a/python/open3d/visualization/tensorboard_plugin/summary.py b/python/open3d/visualization/tensorboard_plugin/summary.py
index 0b6e254b754..4bb35fa5da7 100644
--- a/python/open3d/visualization/tensorboard_plugin/summary.py
+++ b/python/open3d/visualization/tensorboard_plugin/summary.py
@@ -424,7 +424,7 @@ def get_or_check_shape(prop, tensor_tuple, exp_shape):
                 raise ValueError(
                     f"Property {prop} tensor should have shape[{k}]"
                     f"={s} for all elements but is "
-                    f"{tensor.shape[k-1] for tensor in tensor_tuple}.")
+                    f"{[tensor.shape[k-1] for tensor in tensor_tuple]}.")
 
         return shape[:2]