diff --git a/roles/0-init/tasks/create_iiab_ini.yml b/roles/0-init/tasks/create_iiab_ini.yml
index 239ce570d..b4cc742ec 100644
--- a/roles/0-init/tasks/create_iiab_ini.yml
+++ b/roles/0-init/tasks/create_iiab_ini.yml
@@ -43,3 +43,5 @@
       value: "{{ rpi_model }}"
     - option: devicetree_model
       value: "{{ devicetree_model }}"
+    - option: dpkg_arch
+      value: "{{ dpkg_arch }}"
diff --git a/roles/0-init/tasks/main.yml b/roles/0-init/tasks/main.yml
index 4c02c6ca5..d4283dcf7 100644
--- a/roles/0-init/tasks/main.yml
+++ b/roles/0-init/tasks/main.yml
@@ -15,6 +15,7 @@
     os_ver: "{{ ansible_local.local_facts.os_ver }}"
     python_version: "{{ ansible_local.local_facts.python_version }}"
     php_version: "{{ ansible_local.local_facts.php_version }}"
+    dpkg_arch: "{{ ansible_local.local_facts.dpkg_arch }}"
 
 # Initialize /etc/iiab/iiab.ini writing the 'location' and 'version' sections
 # once and only once, to preserve the install date and git hash.