diff --git a/varennes_single_processes/add_height_to_nrcan.py b/varennes_single_processes/add_height_to_nrcan.py
index f72c5eb..100edb5 100644
--- a/varennes_single_processes/add_height_to_nrcan.py
+++ b/varennes_single_processes/add_height_to_nrcan.py
@@ -42,7 +42,7 @@ varennes_nrcan.delete_field('comment')
 varennes_nrcan.layer.startEditing()
 
 # Add a new field for the height
-weighted_height = QgsField('building_height', QVariant.Double)
+weighted_height = QgsField('ave_height', QVariant.Double)
 varennes_nrcan.layer.dataProvider().addAttributes([weighted_height])
 varennes_nrcan.layer.updateFields()
 
@@ -55,14 +55,11 @@ for feature in varennes_nrcan.layer.getFeatures():
   height_min = feature[height_min_idx]
   height_max = feature[height_max_idx]
 
-  if height_min is not None and height_max is not None:
-    average_value = (2/3 * height_min + 1/3 * height_max)
-  else:
-    average_value = None
+  average_value = (2/3 * round(height_min, 3) + 1/3 * round(height_max, 3))
 
   # Update the new field with the calculated average
   varennes_nrcan.layer.changeAttributeValue(
-    feature.id(), weighted_height_idx, average_value)
+    feature.id(), weighted_height_idx, round(average_value, 3))
 
 # Commit the changes
 varennes_nrcan.layer.commitChanges()