diff --git a/dev-util/mercurial/mercurial-1.5.bep b/dev-util/mercurial/mercurial-1.5.bep
index 58e1226e2..41aaa693d 100644
--- a/dev-util/mercurial/mercurial-1.5.bep
+++ b/dev-util/mercurial/mercurial-1.5.bep
@@ -7,11 +7,11 @@ STATUS_HAIKU="stable"
 DEPEND=""
 BUILD {
 	cd mercurial-1.5
-	PREFIX="/boot/common"
-	python setup.py install --prefix="/boot/common" --force
+	python setup.py build --force
 }
 
 INSTALL {
 	cd mercurial-1.5
-	python setup.py  install --prefix="/boot/common" --force
+	([ -n $DESTDIR ] && python setup.py  install --root="$DESTDIR" --prefix="/boot/common" --force \
+	|| python setup.py  install --root="$DESTDIR" --prefix="/boot/common" --force)
 }