diff -ru dnf-4.0.4.orig/dnf/const.py.in dnf-4.0.4/dnf/const.py.in
--- dnf-4.0.4.orig/dnf/const.py.in	2019-06-02 15:21:54.000000000 +0200
+++ dnf-4.0.4/dnf/const.py.in	2019-06-02 15:27:59.991074300 +0200
@@ -25,7 +25,7 @@
 CONF_AUTOMATIC_FILENAME='/etc/dnf/automatic.conf'
 DISTROVERPKG=('system-release(releasever)', 'system-release',
               'distribution-release(releasever)', 'distribution-release',
-              'redhat-release', 'suse-release')
+              'openmamba-release', 'redhat-release', 'suse-release')
 GROUP_PACKAGE_TYPES = ('mandatory', 'default', 'conditional') # :api
 INSTALLONLYPKGS=['kernel', 'kernel-PAE',
                  'installonlypkg(kernel)',