diff --git a/src/paramak/utils.py b/src/paramak/utils.py
index d73ebec7c..e06bcdf40 100644
--- a/src/paramak/utils.py
+++ b/src/paramak/utils.py
@@ -97,7 +97,7 @@ def export_solids_to_dagmc_h5m(
 
     my_model = CadToDagmc()
 
-    my_model.add_cadquery_object(object=solids, material_tags=tags)
+    my_model.add_cadquery_object(cadquery_object=solids, material_tags=tags)
 
     my_model.export_dagmc_h5m_file(max_mesh_size=max_mesh_size, min_mesh_size=min_mesh_size, filename=filename)