diff --git a/modules/k3s/default.nix b/modules/k3s/default.nix
index ca99fee..8641c25 100644
--- a/modules/k3s/default.nix
+++ b/modules/k3s/default.nix
@@ -49,7 +49,7 @@ in
       openiscsi
     ];
 
-    services.udev.rules = ''
+    services.udev.extraRules = ''
       ACTION=="add", SUBSYSTEM=="scsi_host", KERNEL=="host*", RUN+="${pkgs.bash}/bin/sh -c 'echo - - - > /sys/class/scsi_host/%k/scan'"
     '';