diff --git a/defaults/main.yml b/defaults/main.yml
index 553a5b4..db63fbd 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -25,3 +25,8 @@ restic_ssh_private_key_path: "/root/.ssh/backup"
 
 restic_systemd_timer_on_calender: "*-*-* 03:00:00"
 restic_systemd_timer_randomized_delay_sec: 0
+
+restic_arch_map:
+  i386: '386'
+  x86_64: 'amd64'
+  aarch64: 'arm64'
diff --git a/tasks/install.yml b/tasks/install.yml
index 8a824a5..ec0d414 100644
--- a/tasks/install.yml
+++ b/tasks/install.yml
@@ -13,23 +13,23 @@
 
 - name: Download restic
   ansible.builtin.get_url:
-    url: "https://github.com/restic/restic/releases/download/v{{ restic_version }}/restic_{{ restic_version }}_linux_{{ ansible_architecture }}.bz2"
-    dest: "/tmp/restic_{{ restic_version }}_linux_amd64.bz2"
+    url: "https://github.com/restic/restic/releases/download/v{{ restic_version }}/restic_{{ restic_version }}_linux_{{ restic_arch_map[ansible_architecture] | default(ansible_architecture) }}.bz2"
+    dest: "/tmp/restic_{{ restic_version }}_linux_{{ restic_arch_map[ansible_architecture] | default(ansible_architecture) }}.bz2"
     mode: "0644"
 
 - name: Extract restic
-  ansible.builtin.command: "bzip2 -d /tmp/restic_{{ restic_version }}_linux_amd64.bz2"
+  ansible.builtin.command: "bzip2 -d /tmp/restic_{{ restic_version }}_linux_{{ restic_arch_map[ansible_architecture] | default(ansible_architecture) }}.bz2"
   args:
-    creates: "/tmp/restic_{{ restic_version }}_linux_amd64"
+    creates: "/tmp/restic_{{ restic_version }}_linux_{{ restic_arch_map[ansible_architecture] | default(ansible_architecture) }}"
 
 - name: Install restic
   ansible.builtin.copy:
     remote_src: true
-    src: "/tmp/restic_{{ restic_version }}_linux_amd64"
+    src: "/tmp/restic_{{ restic_version }}_linux_{{ restic_arch_map[ansible_architecture] | default(ansible_architecture) }}"
     dest: "{{ restic_path }}"
     mode: "0755"
 
 - name: Remove downloaded file
   ansible.builtin.file:
-    path: "/tmp/restic_{{ restic_version }}_linux_amd64"
+    path: "/tmp/restic_{{ restic_version }}_linux_{{ restic_arch_map[ansible_architecture] | default(ansible_architecture) }}"
     state: absent