diff --git a/roles/caddy/defaults/main.yml b/roles/caddy/defaults/main.yml
index 378f819..338f58c 100644
--- a/roles/caddy/defaults/main.yml
+++ b/roles/caddy/defaults/main.yml
@@ -9,3 +9,4 @@ caddy_use_https: yes
 caddy_tls_use_staging: no
 # caddy_email: your@email.here
 
+# caddy_zerossl_api_key: your-zerossl-key-here-its-free
diff --git a/roles/caddy/templates/config.json.j2 b/roles/caddy/templates/config.json.j2
index b104a25..6a13848 100644
--- a/roles/caddy/templates/config.json.j2
+++ b/roles/caddy/templates/config.json.j2
@@ -51,17 +51,19 @@
     {% if caddy_tls_use_staging is sameas true %}
                 "ca": "https://acme-staging-v02.api.letsencrypt.org/directory",
     {% endif %}
-    {%- if caddy_email is not undefined and not none %}   
+    {%- if caddy_email is not undefined and not none %}
                 "email": "{{ caddy_email }}",
     {% endif %}
                 "module": "acme"
+    {%- if caddy_zerossl_api_key is not undefined and not none %}
               },
               {
-        {%- if caddy_email is not undefined and not none %}   
-                "email": "{{ caddy_email }}",
-        {% endif %}
+                "api_key": "{{ caddy_zerossl_api_key }}",
                 "module": "zerossl"
               }
+    {% else %}
+              }
+    {% endif %}
             ]
           }
         ]