diff --git a/pungi-build.conf.j2 b/pungi-build.conf.j2
index e69c150..ab6ddf7 100644
--- a/pungi-build.conf.j2
+++ b/pungi-build.conf.j2
@@ -119,7 +119,8 @@ lorax_options = [
         "*": {
             "noupgrade": False,
             "rootfs_size": 3,
-            "version": "{{ full_version }}"
+            "version": "{{ full_version }}",
+            "isfinal": {% false if beta_suffix is defined and beta_suffix else true %},
         }
     })
 ]