diff --git a/biosimulator_processes/__init__.py b/biosimulator_processes/__init__.py
index e23786aee..2c9815c92 100644
--- a/biosimulator_processes/__init__.py
+++ b/biosimulator_processes/__init__.py
@@ -20,6 +20,7 @@
 
 STEPS_TO_REGISTER = [
     # ('get_sbml_step', 'get_sbml.GetSbmlStep'),
+    ('copasi-step', 'ode_simulation.CopasiStep'),
     ('plotter', 'viz.CompositionPlotter'),
     ('plotter2d', 'viz.Plotter2d')]
 
diff --git a/biosimulator_processes/steps/ode_simulation.py b/biosimulator_processes/steps/ode_simulation.py
index dc42c387d..1f0dbf3c8 100644
--- a/biosimulator_processes/steps/ode_simulation.py
+++ b/biosimulator_processes/steps/ode_simulation.py
@@ -136,12 +136,9 @@ def update(self, inputs):
         return results
 
 
-
-
-
-
-
-
+class TelluriumStep(OdeSimulation):
+    def __init__(self, sbml_filepath, time_config: dict[str, float], config=None, core=CORE):
+        super().__init__(sbml_filepath, time_config, config, core)
 
 
 class ODEProcess(RunProcess):