diff --git a/pyproject.toml b/pyproject.toml
index 9fb4811..3cf94dc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 
 [project]
 name = "jo3util"
-version = "0.0.16"
+version = "0.0.17"
 description = ""
 dependencies = []
 dynamic = ["readme"]
diff --git a/src/root.py b/src/root.py
index cc748cb..91bae52 100644
--- a/src/root.py
+++ b/src/root.py
@@ -5,7 +5,7 @@ import os
 import json
 from importlib.resources import files, as_file
 from pathlib import Path
-from typing import Optional
+from typing import Optional, Union
 
 import __main__
 from .string import hash_string
@@ -81,10 +81,13 @@ def root_file():
     raise NotImplementedError
 
 
-def run_dir(obj, root=Path(os.path.abspath("./run")), name_len=8):
-    run_id: str = json.dumps(
+def run_dir(
+    obj,
+    root: Union[Path, str] = root_dir() / "run",
+    name_len=8
+):
+    obj_hash: str = hash_string(json.dumps(
         obj,
         default=lambda x: vars(x) if hasattr(x, "__dict__") else str(x)
-    )
-    run_id: str = hash_string(run_id)[:name_len]
-    return root / run_id
+    ))[:name_len]
+    return root / Path(obj_hash)