diff --git a/kas/config.py b/kas/config.py
index 30a3e31..6bc23e7 100644
--- a/kas/config.py
+++ b/kas/config.py
@@ -79,11 +79,11 @@ class Config:
             started by kas.
         """
         distro_id = get_distro_id()
-        if distro_id in ['fedora', 'SuSE', 'opensuse']:
+        if distro_id.lower() in ['fedora', 'suse', 'opensuse']:
             self.environ = {'LC_ALL': 'en_US.utf8',
                             'LANG': 'en_US.utf8',
                             'LANGUAGE': 'en_US'}
-        elif distro_id in ['Ubuntu', 'debian']:
+        elif distro_id.lower() in ['debian', 'ubuntu']:
             self.environ = {'LC_ALL': 'en_US.UTF-8',
                             'LANG': 'en_US.UTF-8',
                             'LANGUAGE': 'en_US:en'}