diff --git a/src/python/pose_format/pose.py b/src/python/pose_format/pose.py
index 5dbad62..664ced0 100644
--- a/src/python/pose_format/pose.py
+++ b/src/python/pose_format/pose.py
@@ -10,7 +10,6 @@
                                      PoseNormalizationInfo)
 from pose_format.utils.fast_math import distance_batch
 from pose_format.utils.reader import BufferReader
-from pose_format.utils.generic import pose_normalization_info
 
 
 class Pose:
@@ -105,7 +104,8 @@ def normalize(self, info: PoseNormalizationInfo|None=None, scale_factor: float =
             The normalized Pose object.
         """
         if info is None:
-            info = pose_normalization_info(self)
+            from pose_format.utils.generic import pose_normalization_info
+            info = pose_normalization_info(self.header)
 
         transposed = self.body.points_perspective()