diff --git a/roles/base/tasks/main.yml b/roles/base/tasks/main.yml
index 9f88602..948cb47 100644
--- a/roles/base/tasks/main.yml
+++ b/roles/base/tasks/main.yml
@@ -1,5 +1,5 @@
 # Load distro-specific variables
-- include_vars: "{{ ansible_distribution }}.yml"
+- include_vars: "{{ ansible_distribution | lower }}.yml"
   tags: always
   ignore_errors: True
 
diff --git a/roles/base/vars/Archlinux.yml b/roles/base/vars/archlinux.yml
similarity index 100%
rename from roles/base/vars/Archlinux.yml
rename to roles/base/vars/archlinux.yml
diff --git a/roles/base/vars/Debian.yml b/roles/base/vars/debian.yml
similarity index 100%
rename from roles/base/vars/Debian.yml
rename to roles/base/vars/debian.yml
diff --git a/roles/base/vars/Ubuntu.yml b/roles/base/vars/ubuntu.yml
similarity index 100%
rename from roles/base/vars/Ubuntu.yml
rename to roles/base/vars/ubuntu.yml
diff --git a/roles/jitsimeet/vars/Debian.yml b/roles/jitsimeet/vars/debian.yml
similarity index 100%
rename from roles/jitsimeet/vars/Debian.yml
rename to roles/jitsimeet/vars/debian.yml
diff --git a/roles/jitsimeet/vars/Ubuntu.yml b/roles/jitsimeet/vars/ubuntu.yml
similarity index 100%
rename from roles/jitsimeet/vars/Ubuntu.yml
rename to roles/jitsimeet/vars/ubuntu.yml
diff --git a/roles/mailserver/vars/Archlinux.yml b/roles/mailserver/vars/archlinux.yml
similarity index 100%
rename from roles/mailserver/vars/Archlinux.yml
rename to roles/mailserver/vars/archlinux.yml
diff --git a/roles/mastodon/vars/Debian.yml b/roles/mastodon/vars/debian.yml
similarity index 100%
rename from roles/mastodon/vars/Debian.yml
rename to roles/mastodon/vars/debian.yml
diff --git a/roles/mastodon/vars/Ubuntu.yml b/roles/mastodon/vars/ubuntu.yml
similarity index 100%
rename from roles/mastodon/vars/Ubuntu.yml
rename to roles/mastodon/vars/ubuntu.yml
diff --git a/roles/nameserver/vars/Archlinux.yml b/roles/nameserver/vars/archlinux.yml
similarity index 100%
rename from roles/nameserver/vars/Archlinux.yml
rename to roles/nameserver/vars/archlinux.yml
diff --git a/roles/nameserver/vars/Debian.yml b/roles/nameserver/vars/debian.yml
similarity index 100%
rename from roles/nameserver/vars/Debian.yml
rename to roles/nameserver/vars/debian.yml
diff --git a/roles/nameserver/vars/Ubuntu.yml b/roles/nameserver/vars/ubuntu.yml
similarity index 100%
rename from roles/nameserver/vars/Ubuntu.yml
rename to roles/nameserver/vars/ubuntu.yml
diff --git a/roles/webserver/vars/Debian.yml b/roles/webserver/vars/debian.yml
similarity index 100%
rename from roles/webserver/vars/Debian.yml
rename to roles/webserver/vars/debian.yml
diff --git a/roles/webserver/vars/Ubuntu.yml b/roles/webserver/vars/ubuntu.yml
similarity index 100%
rename from roles/webserver/vars/Ubuntu.yml
rename to roles/webserver/vars/ubuntu.yml