diff --git a/meta/network.nix b/meta/network.nix
index 48ff44d..35443de 100644
--- a/meta/network.nix
+++ b/meta/network.nix
@@ -61,7 +61,7 @@
       hosts = {
         montalin = {
           v4.ip = "10.249.0.1";
-          endpoint = "calanda.plessur.net.qo.is:${server.port}";
+          endpoint = "calanda.plessur.net.qo.is:${toString server.port}";
           publicKey = "76nV1jgexHJ898hTLbMRz1BjguFp6YCHpoV52GuNDzc=";
           persistentKeepalive = null;
         };