diff --git a/modules/security.nix b/modules/security.nix
index c9dba17..fe3b333 100644
--- a/modules/security.nix
+++ b/modules/security.nix
@@ -9,6 +9,7 @@
 {
   config = {
     services.fprintd.enable = true;
+    environment.persistence."/nix/persist".directories = [ "/var/lib/fprint" ];
 
     security.apparmor = {
       enable = true;