diff --git a/src/ansys/edb/simulation_setup/siwave_simulation_settings.py b/src/ansys/edb/simulation_setup/siwave_simulation_settings.py
index 5fe9314958..6270ab3985 100644
--- a/src/ansys/edb/simulation_setup/siwave_simulation_settings.py
+++ b/src/ansys/edb/simulation_setup/siwave_simulation_settings.py
@@ -477,7 +477,7 @@ def energy_error(self):
 
     @energy_error.setter
     def energy_error(self, energy_error):
-        self.__stub.SetEnergyError(messages.int_property_message(self, energy_error))
+        self.__stub.SetEnergyError(messages.double_property_message(self, energy_error))
 
     @property
     def mesh_bws(self):