diff --git a/nixos/modules/services/security/kanidm.nix b/nixos/modules/services/security/kanidm.nix
index 5853940e6758..3adc7f0bb0be 100644
--- a/nixos/modules/services/security/kanidm.nix
+++ b/nixos/modules/services/security/kanidm.nix
@@ -51,6 +51,7 @@ let
       cfg.provision.idmAdminPasswordFile
       cfg.provision.adminPasswordFile
     ]
+    ++ optional (cfg.provision.extraJsonFile != null) cfg.provision.extraJsonFile
     ++ mapAttrsToList (_: x: x.basicSecretFile) cfg.provision.systems.oauth2
   );
   secretDirectories = unique (