diff --git a/hydrolib/core/basemodel.py b/hydrolib/core/basemodel.py
index 9834a44e5..08027fb7a 100644
--- a/hydrolib/core/basemodel.py
+++ b/hydrolib/core/basemodel.py
@@ -1020,7 +1020,7 @@ def __str__(self) -> str:
     def _change_to_path(filepath):
         if filepath is None:
             return filepath
-        if isinstance(filepath, Path):
+        elif isinstance(filepath, Path):
             return filepath
         else:
             return Path(filepath)