diff --git a/perception_dataset/t4_dataset/data_interpolator.py b/perception_dataset/t4_dataset/data_interpolator.py
index 4273388a..5896dbaf 100644
--- a/perception_dataset/t4_dataset/data_interpolator.py
+++ b/perception_dataset/t4_dataset/data_interpolator.py
@@ -69,7 +69,7 @@ def __init__(
         super().__init__(input_base, output_base)
         self._dataset_paths = glob(osp.join(input_base, "*"))
         self._target_hz = target_hz
-        self._interpolate_step_msec = 100.0 / self._target_hz  # [msec]
+        self._interpolate_step_msec = 1000.0 / self._target_hz  # [msec]
         self.logger = configure_logger(modname=__name__) if logger is None else logger
 
     def convert(self) -> None: