diff --git a/roles/acme/application/meta/main.yml b/roles/acme/application/meta/main.yml
index e2d6cfc..be9b468 100644
--- a/roles/acme/application/meta/main.yml
+++ b/roles/acme/application/meta/main.yml
@@ -1,4 +1,6 @@
 ---
 
+allow_duplicates: no
+
 dependencies:
   - role: nginx/application
diff --git a/roles/acme/certificate/meta/main.yml b/roles/acme/certificate/meta/main.yml
index c805781..a21f519 100644
--- a/roles/acme/certificate/meta/main.yml
+++ b/roles/acme/certificate/meta/main.yml
@@ -1,4 +1,6 @@
 ---
 
+allow_duplicates: yes
+
 dependencies:
   - role: acme/application
diff --git a/roles/nginx/forward/meta/main.yml b/roles/nginx/forward/meta/main.yml
index cf3cd67..32e2ac7 100644
--- a/roles/nginx/forward/meta/main.yml
+++ b/roles/nginx/forward/meta/main.yml
@@ -1,5 +1,7 @@
 ---
 
+allow_duplicates: yes
+
 dependencies:
   - role: acme/certificate
     domain: "{{ domain }}"
diff --git a/roles/nginx/mail_proxy/meta/main.yml b/roles/nginx/mail_proxy/meta/main.yml
index cf3cd67..32e2ac7 100644
--- a/roles/nginx/mail_proxy/meta/main.yml
+++ b/roles/nginx/mail_proxy/meta/main.yml
@@ -1,5 +1,7 @@
 ---
 
+allow_duplicates: yes
+
 dependencies:
   - role: acme/certificate
     domain: "{{ domain }}"
diff --git a/roles/nginx/proxy/meta/main.yml b/roles/nginx/proxy/meta/main.yml
index f891f33..e4fa0b9 100644
--- a/roles/nginx/proxy/meta/main.yml
+++ b/roles/nginx/proxy/meta/main.yml
@@ -1,5 +1,7 @@
 ---
 
+allow_duplicates: yes
+
 dependencies:
   - role: acme/certificate
     domain: "{{ domain }}"