diff --git a/shared/extra_isos.conf b/shared/extra_isos.conf
index d4a36ae..512b45b 100644
--- a/shared/extra_isos.conf
+++ b/shared/extra_isos.conf
@@ -1,3 +1,5 @@
+createiso_use_xorrisofs = True
+
 extra_isos = {
     "BaseOS": [{
         "include_variants": ["AppStream"],