diff --git a/nix/metal/bitteProfile/default.nix b/nix/metal/bitteProfile/default.nix
index fda74a2..95558b0 100644
--- a/nix/metal/bitteProfile/default.nix
+++ b/nix/metal/bitteProfile/default.nix
@@ -75,6 +75,16 @@ in {
                   path = "/nix";
                   read_only = false;
                 };
+
+                # Remove when ZFS >= 2.1.5
+                # Ref:
+                #   https://github.com/openzfs/zfs/pull/12746
+                system.activationScripts.zfsAccurateHoleReporting = {
+                  text = ''
+                    echo 1 > /sys/module/zfs/parameters/zfs_dmu_offset_next_sync
+                  '';
+                  deps = [];
+                };
               });
           }
           // extraConfig;