diff --git a/modules/clan/phonebox/default.nix b/modules/clan/phonebox/default.nix
index d104eef..46ac787 100644
--- a/modules/clan/phonebox/default.nix
+++ b/modules/clan/phonebox/default.nix
@@ -45,6 +45,8 @@
             rtpPortTo = 20000;
             ata-interface = settings.ata-ethernet-iface;
 
+            getContactListBin = pkgs.writeShellScript
+
             genServerSIPEndpoint =
               { hostname, address }:
               ''