diff --git a/nixos/tests/zfs.nix b/nixos/tests/zfs.nix
index 3e55369daa06..bcb9d9bcfd60 100644
--- a/nixos/tests/zfs.nix
+++ b/nixos/tests/zfs.nix
@@ -12,6 +12,7 @@ let
                       then pkgs.zfsUnstable.latestCompatibleLinuxPackages
                       else pkgs.linuxPackages
     , enableUnstable ? false
+    , enableSystemdStage1 ? false
     , extraTest ? ""
     }:
     makeTest {
@@ -36,6 +37,7 @@ let
         boot.kernelPackages = kernelPackage;
         boot.supportedFilesystems = [ "zfs" ];
         boot.zfs.enableUnstable = enableUnstable;
+        boot.initrd.systemd.enable = enableSystemdStage1;
 
         environment.systemPackages = [ pkgs.parted ];
 
@@ -176,6 +178,11 @@ in {
     enableUnstable = true;
   };
 
+  unstableWithSystemdStage1 = makeZfsTest "unstable" {
+    enableUnstable = true;
+    enableSystemdStage1 = true;
+  };
+
   installer = (import ./installer.nix { }).zfsroot;
 
   expand-partitions = makeTest {
diff --git a/pkgs/os-specific/linux/zfs/default.nix b/pkgs/os-specific/linux/zfs/default.nix
index 5e5ec6d79312..750586ff1b1d 100644
--- a/pkgs/os-specific/linux/zfs/default.nix
+++ b/pkgs/os-specific/linux/zfs/default.nix
@@ -256,5 +256,13 @@ in {
     sha256 = "sha256-CdPuyZMXFzANEdnsr/rB5ckkT8X5uziniY5vmRCKl1U=";
 
     isUnstable = true;
+
+    # Necessary for 6.2.8+ and 6.3 compatibility, see https://github.com/openzfs/zfs/issues/14658
+    extraPatches = [
+      (fetchpatch {
+        url = "https://github.com/openzfs/zfs/pull/14668.patch";
+        hash = "sha256-PR7hxxdjLkjszADdw0R0JRmBPfDlsXG6D+VfC7QzEhk=";
+      })
+    ];
   };
 }