diff --git a/modules/clan/phonebox/default.nix b/modules/clan/phonebox/default.nix
index 960c461..53c09ff 100644
--- a/modules/clan/phonebox/default.nix
+++ b/modules/clan/phonebox/default.nix
@@ -150,13 +150,16 @@
               prompts = {
                 server-prefix-number = {
                   type = "line";
+                  persist = true;
                   description = "Server prefix number: indicate server to connect to [10XX]";
                 };
                 ata-local-number = {
+                  persist = true;
                   type = "line";
                   description = "Local suffix number: indicate local number on the server [XX00]";
                 };
                 owner-name = {
+                  persist = true;
                   type = "line";
                   description = "The owner's name for this unit";
                 };