diff --git a/hosts/vm/nextcloud/nextcloud.nix b/hosts/vm/nextcloud/nextcloud.nix
index c77cf3b..ae17b0a 100644
--- a/hosts/vm/nextcloud/nextcloud.nix
+++ b/hosts/vm/nextcloud/nextcloud.nix
@@ -52,4 +52,17 @@
     appstoreEnable = true;
     extraAppsEnable = true;
   };
+
+  # Activation CORS pour récuppérer les agendas depuis le wiki
+  services.nginx.virtualHosts.${config.services.nextcloud.hostName}.locations."~* /remote.php/dav/public-calendars/[a-z]+\?export".extraConfig =
+    ''
+      add_header 'Access-Control-Allow-Origin' 'https://mediawiki.crans.org' always;
+      add_header 'Access-Control-Allow-Methods' 'GET, OPTIONS' always;
+      if ($request_method = 'OPTIONS') {
+        add_header 'Access-Control-Max-Age' 86400;
+        add_header 'Content-Type' 'text/plain; charset=utf-8';
+        add_header 'Content-Length' 0;
+        return 204;
+      }
+    '';
 }