diff --git a/rwx/prj/sphinx.py b/rwx/prj/sphinx.py
index 13252f8..b85cfa5 100644
--- a/rwx/prj/sphinx.py
+++ b/rwx/prj/sphinx.py
@@ -1,7 +1,5 @@
 """Project consisting only of a Sphinx documentation."""
 
-from os import path
-
 from sphinx.cmd.build import build_main
 
 from rwx.fs import wipe
@@ -17,7 +15,7 @@ class SphinxProject(Project):
 
     def build(self) -> None:
         """Build the project."""
-        output_root: str = path.join(self.root, "out")
+        output_root: str = self.root / "out"
         wipe(output_root)
         arguments: list[str] = [
             "-E",
@@ -34,7 +32,7 @@ class SphinxProject(Project):
             "-c",
             self.root,
             # "-C",
-            path.join(self.root, self.name),
-            path.join(output_root, "web"),
+            self.root / self.name,
+            output_root / "web",
         ]
         build_main(arguments)