diff --git a/flow360/component/simulation/models/volume_models.py b/flow360/component/simulation/models/volume_models.py
index 20243c031..c478d7546 100644
--- a/flow360/component/simulation/models/volume_models.py
+++ b/flow360/component/simulation/models/volume_models.py
@@ -551,7 +551,7 @@ def _extract_content(cls, input_data):
 
         file_content = get_file_content(input_data["file_path"])
 
-        return {"file_path": input_data["file_path"], "content": file_content}
+        return {"file_path": os.path.basename(input_data["file_path"]), "content": file_content}
 
 
 class AuxiliaryPolarFile(BETSingleInputFileBaseModel):
@@ -594,7 +594,11 @@ def _extract_content(cls, input_data):
             polar_file_obj_list.append(
                 [{"file_path": os.path.join(file_dir, file_name)} for file_name in file_name_list]
             )
-        return {"file_path": file_path, "content": file_content, "polar_files": polar_file_obj_list}
+        return {
+            "file_path": os.path.basename(file_path),
+            "content": file_content,
+            "polar_files": polar_file_obj_list,
+        }
 
 
 class XROTORFile(BETSingleInputFileBaseModel):