diff --git a/pkgs/os-specific/linux/kernel/xanmod-kernels.nix b/pkgs/os-specific/linux/kernel/xanmod-kernels.nix
index 0666ecf6169e..8d87ee3598ec 100644
--- a/pkgs/os-specific/linux/kernel/xanmod-kernels.nix
+++ b/pkgs/os-specific/linux/kernel/xanmod-kernels.nix
@@ -47,6 +47,9 @@ let
       HZ = freeform "250";
       HZ_250 = yes;
       HZ_1000 = no;
+
+      # Disable writeback throttling by default
+      BLK_WBT_MQ = lib.mkOverride 60 no;
     };
 
     extraMeta = {