diff --git a/roles/nginx/templates/nginx_org_sources.list.j2 b/roles/nginx/templates/nginx_org_sources.list.j2
index 0ba7c39..c484d8f 100644
--- a/roles/nginx/templates/nginx_org_sources.list.j2
+++ b/roles/nginx/templates/nginx_org_sources.list.j2
@@ -2,18 +2,18 @@
 
 {% if ansible_distribution == 'Ubuntu' %}
 {% if nginx_version == "stable" %}
-deb https://nginx.org/packages/ubuntu/ {{ ansible_distribution_release }} nginx
+deb [arch=amd64] https://nginx.org/packages/ubuntu/ {{ ansible_distribution_release }} nginx
 {% endif %}
 {% elif nginx_version == "mainline" %}
-deb https://nginx.org/packages/mainline/ubuntu/ {{ ansible_distribution_release }} nginx
+deb [arch=amd64] https://nginx.org/packages/mainline/ubuntu/ {{ ansible_distribution_release }} nginx
 {% endif %}
 {% endif %}
 {% endif %}
 
 {% if ansible_distribution == 'Debian' %}
 {% if nginx_version == "stable" %}
-deb https://nginx.org/packages/debian/ {{ ansible_distribution_release }} nginx
+deb [arch=amd64] https://nginx.org/packages/debian/ {{ ansible_distribution_release }} nginx
 {% elif nginx_version == "mainline" %}
-deb https://nginx.org/packages/mainline/debian/ {{ ansible_distribution_release }} nginx
+deb [arch=amd64] https://nginx.org/packages/mainline/debian/ {{ ansible_distribution_release }} nginx
 {% endif %}
 {% endif %}