diff --git a/carculator_truck/model.py b/carculator_truck/model.py
index ccc7d34..a4589d3 100644
--- a/carculator_truck/model.py
+++ b/carculator_truck/model.py
@@ -90,8 +90,8 @@ def set_all(self, electric_utility_factor: float = None):
             self.set_auxiliaries()
             self.set_recuperation()
 
-            self.set_ttw_efficiency()
             self.calculate_ttw_energy()
+            self.set_ttw_efficiency()
 
             self.set_share_recuperated_energy()
             self.set_battery_fuel_cell_replacements()