diff --git a/roles/arch/tasks/locale.yml b/roles/arch/tasks/locale.yml
new file mode 100644
index 0000000..54f94d8
--- /dev/null
+++ b/roles/arch/tasks/locale.yml
@@ -0,0 +1,13 @@
+---
+- name: Set system locale
+  become: true
+  lineinfile:
+    path: /etc/locale.conf
+    line: "LANG=en_GB.UTF-8"
+    create: yes
+- name: Set default paper size
+  become: true
+  lineinfile:
+    path: /etc/papersize
+    line: a4
+    create: yes
diff --git a/roles/arch/tasks/main.yml b/roles/arch/tasks/main.yml
index 7a4d7a9..bef6efa 100644
--- a/roles/arch/tasks/main.yml
+++ b/roles/arch/tasks/main.yml
@@ -5,3 +5,4 @@
 - include: modules.yml
 - include: ssh.yml
 - include: solokeys.yml
+- include: locale.yml