diff --git a/nixos/modules/monitoring/exporters/node.nix b/nixos/modules/monitoring/exporters/node.nix
index 8f183c112cd8246c835c6934aa073309d76a3609..bff40603c68c558e5b50b082c881e9a5af92af10 100644
--- a/nixos/modules/monitoring/exporters/node.nix
+++ b/nixos/modules/monitoring/exporters/node.nix
@@ -77,7 +77,7 @@ in {
     ) ++ (
       optionals (mountsFileSystemType "xfs") [ "xfs" ]
     ) ++ (
-      optionals (mountsFileSystemType "zfs" || elem "zfs" config.boot.supportedFilesystems) [ "zfs" ]
+      optionals (mountsFileSystemType "zfs" || config.boot.supportedFilesystems.zfs or false) [ "zfs" ]
     );
   };
 }