diff --git a/src/ansys/aedt/core/hfss.py b/src/ansys/aedt/core/hfss.py
index ce9b9386d29..a073cfab34d 100644
--- a/src/ansys/aedt/core/hfss.py
+++ b/src/ansys/aedt/core/hfss.py
@@ -6132,7 +6132,7 @@ def get_hdm_plotter(self, file_name=None):
         from ansys.aedt.core.visualization.advanced.hdm_plot import HDMPlotter
 
         hdm = HDMPlotter()
-        files = self.post.export_model_obj(export_as_single_objects=True, air_objects=False)
+        files = self.post.export_model_obj(export_as_multiple_objects=True, air_objects=False)
         for file in files:
             hdm.add_cad_model(file[0], file[1], file[2], self.modeler.model_units)
         hdm.add_hdm_bundle_from_file(file_name)
diff --git a/src/ansys/aedt/core/visualization/post/post_common_3d.py b/src/ansys/aedt/core/visualization/post/post_common_3d.py
index 1971dbda9b1..e098c18aed2 100644
--- a/src/ansys/aedt/core/visualization/post/post_common_3d.py
+++ b/src/ansys/aedt/core/visualization/post/post_common_3d.py
@@ -2202,8 +2202,8 @@ def get_far_field_data(self, expressions="GainTotal", setup_sweep_name="", domai
             return False
         return solution_data
 
-    @pyaedt_function_handler(obj_list="assignment")
-    def export_model_obj(self, assignment=None, export_path=None, export_as_single_objects=False, air_objects=False):
+    @pyaedt_function_handler(obj_list="assignment", export_as_single_objects="export_as_multiple_objects")
+    def export_model_obj(self, assignment=None, export_path=None, export_as_multiple_objects=False, air_objects=False):
         """Export the model.
 
         Parameters
@@ -2213,9 +2213,9 @@ def export_model_obj(self, assignment=None, export_path=None, export_as_single_o
             case export every model object except 3D ones and vacuum and air objects.
         export_path : str, optional
             Full path of the exported OBJ file.
-        export_as_single_objects : bool, optional
-           Whether to export the model as single object. The default is ``False``, in which
-           case is exported asa list of objects for each object.
+        export_as_multiple_objects : bool, optional
+           Whether to export the model as multiple objects or not. Default is ``False``
+           in which case the model is exported as single object.
         air_objects : bool, optional
             Whether to export air and vacuum objects. The default is ``False``.
 
@@ -2244,7 +2244,7 @@ def export_model_obj(self, assignment=None, export_path=None, export_as_single_o
                         and self._app.modeler[i].material_name.lower() != "air"
                     )
                 ]
-        if not export_as_single_objects:
+        if export_as_multiple_objects:
             files_exported = []
             for el in assignment:
                 fname = os.path.join(export_path, f"{el}.obj")