diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index 443c14b..558510b 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -16,7 +16,9 @@ source=("git+$url#commit=3e2f4cca81b60171e6b3e23619f6f4929a13322e") # latest mas
 sha256sums=(SKIP)
 
 package() {
+  export PYTHONPATH="$PWD:$PYTHONPATH"
   cd configobj
   python setup.py install --root="$pkgdir" --optimize=1
   install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+  python setup_validate.py install --root="$pkgdir" --optimize=1
 }