diff --git a/modules/system/services/server/mailserver/radicale/default.nix b/modules/system/services/server/mailserver/radicale/default.nix
index 7001b3aa..148d064f 100644
--- a/modules/system/services/server/mailserver/radicale/default.nix
+++ b/modules/system/services/server/mailserver/radicale/default.nix
@@ -2,11 +2,11 @@
 {
   imports = [ ./nginx ];
 
-  services = lib.mkIf config.services.mailserver.enable {
-    radicale = {
-      enable = true;
-      settings = {
-        auth = {
+  config = lib.mkIf config.services.mailserver.enable {
+    services = {
+      radicale = {
+        enable = true;
+        settings.auth = {
           type = "htpasswd";
           htpasswd_filename = let
             mailAccounts = config.mailserver.loginAccounts;
@@ -19,7 +19,9 @@
           htpasswd_encryption = "bcrypt";
         };
       };
+      cloudflare-dyndns.domains = [ "cal.nixfox.ca" ];
     };
-    cloudflare-dyndns.domains = [ "cal.nixfox.ca" ];
+
+    environment.persistence."/persist".directories = [ "/var/lib/radicale" ];
   };
 }