diff --git a/nixos/modules/services/security/kanidm.nix b/nixos/modules/services/security/kanidm.nix
index f0c6e836194d..0abf864a8fc7 100644
--- a/nixos/modules/services/security/kanidm.nix
+++ b/nixos/modules/services/security/kanidm.nix
@@ -394,7 +394,7 @@ in
       instanceUrl = mkOption {
         description = "The instance url to which the provisioning tool should connect.";
         default = "https://localhost:${serverPort}";
-        defaultText = ''"https://localhost:<port from serverSettings.bindaddress>"'';
+        defaultText = "https://localhost:<port from serverSettings.bindaddress>";
         type = types.str;
       };