diff --git a/debian/gbp.conf b/debian/gbp.conf
index 3930665..afd74a1 100644
--- a/debian/gbp.conf
+++ b/debian/gbp.conf
@@ -1,4 +1,5 @@
 [buildpackage]
-upstream-tree = master
+upstream-tree = debian
 debian-branch = debian
-builder = sbuild -A -v -d sid
+export-dir = /tmp/evoadmin-mail
+builder = dpkg-buildpackage -i -I -uc -us