diff --git a/build.py b/build.py
index 1c1c231..d172db8 100755
--- a/build.py
+++ b/build.py
@@ -5,7 +5,7 @@ import shutil
 
 import sphinx.cmd.build
 
-import rwx
+from rwx.prj.sphinx import SphinxProject
 
 INPUT = ["rtfd"]
 OUTPUT = "out"
@@ -33,4 +33,5 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
+    project = SphinxProject(__file__)
+    project.build()