diff --git a/modules/server/containers/defs/nextcloud.nix b/modules/server/containers/defs/nextcloud.nix
index 47071b6..dced185 100644
--- a/modules/server/containers/defs/nextcloud.nix
+++ b/modules/server/containers/defs/nextcloud.nix
@@ -27,11 +27,11 @@ in {
         "POSTGRES_USER" = "nextcloud_user";
         "POSTGRES_DB" = "nextcloud_db";
         "NEXTCLOUD_TRUSTED_DOMAINS " = "${containerCfg.subdomain}.${serverCfg.hostDomain}";
-        "SMTP_HOST" = ${serverCfg.mailServer};
+        "SMTP_HOST" = serverCfg.mailServer;
         "SMTP_NAME" = "mail_user";
         "SMTP_PASSWORD" = "mail_password";
         "MAIL_FROM_ADDRESS" = "${containerCfg.subdomain}@${serverCfg.hostDomain}";
-        "MAIL_DOMAIN" = ${serverCfg.mailDomain};
+        "MAIL_DOMAIN" = serverCfg.mailDomain;
         "TRUSTED_PROXIES" = "...";
       };
       extraLabels = {