diff --git a/deeptrack/augmentations.py b/deeptrack/augmentations.py
index 35169e944..aee14ac0b 100644
--- a/deeptrack/augmentations.py
+++ b/deeptrack/augmentations.py
@@ -258,7 +258,7 @@ def update_properties(self, image, number_of_updates, **kwargs):
             for prop in image.properties:
                 if "position" in prop:
                     position = np.array(prop["position"])
-                    position[..., 0] = image.shape[1] - position[..., 0]
+                    position[..., 0] = image.shape[0] - position[..., 0]
                     prop["position"] = position