diff --git a/rwx/deb/__init__.py b/rwx/deb/__init__.py
index fcd4198..2537321 100644
--- a/rwx/deb/__init__.py
+++ b/rwx/deb/__init__.py
@@ -1,5 +1,7 @@
 """Wrap Debian commands."""
 
+from pathlib import Path
+
 from rwx import cmd, ps
 
 cmd.need("debootstrap")
@@ -8,14 +10,22 @@ BOOTSTRAP_ARCHITECTURE = "amd64"
 BOOTSTRAP_VARIANT = "minbase"
 
 
-def bootstrap(root_path: str, suite: str, mirror_location: str) -> None:
-    """Boostrap a base operating filesystem."""
-    command = [
-        ("debootstrap",),
+def bootstrap(root_path: Path, suite: str, mirror_location: str) -> None:
+    """Boostrap a base operating filesystem.
+
+    :param root_path: target output path
+    :type root_path: Path
+    :param suite: target distribution name
+    :type suite: str
+    :param mirror_location: source input repository
+    :type mirror_location: str
+    """
+    command = (
+        "debootstrap",
         ("--arch", BOOTSTRAP_ARCHITECTURE),
         ("--variant", BOOTSTRAP_VARIANT),
-        (suite,),
-        (root_path,),
-        (mirror_location,),
-    ]
+        suite,
+        str(root_path),
+        mirror_location,
+    )
     ps.run(*command)