diff --git a/prepare_source b/prepare_source
index c6f8bdc..847cec9 100644
--- a/prepare_source
+++ b/prepare_source
@@ -1 +1,2 @@
 git_src --branch debian/2.12.0-4 https://salsa.debian.org/sssd-team/sssd.git
+version_suffix=gl1