diff --git a/hosts/riscbert/default.nix b/hosts/riscbert/default.nix
index 6ac7044f..7a801724 100644
--- a/hosts/riscbert/default.nix
+++ b/hosts/riscbert/default.nix
@@ -25,7 +25,18 @@
 
     tmpOnTmpfs = true;
   };
-  fileSystems."/mnt" = {
+
+  fileSystems."/mnt/sd" = {
+    device = "/dev/disk/by-label/NIXOS_SD";
+    fsType = "ext4";
+  };
+  # install kernel+initrd onto sd card
+  fileSystems."/boot" = {
+    device = "/mnt/sd/boot";
+    fsType = "none";
+    options = [ "bind" ];
+  };
+  fileSystems."/" = {
     device = "${hostRegistry.hosts.nfsroot.ip4}:/var/lib/nfsroot/riscbert";
     fsType = "nfs";
     options = [ "nfsvers=3" "proto=tcp" "nolock" "hard" "async" "rw" ];
@@ -63,9 +74,4 @@
   lib.genAttrs [ "libffi" "libuv" "openssh" "openssl" ] (p: pkgs.${p}.overrideAttrs (oa: { doCheck = false; checkPhase = ""; }));
 
   system.stateVersion = "22.05";
-
-  fileSystems."/" = {
-    device = "/dev/disk/by-label/NIXOS_SD";
-    fsType = "ext4";
-  };
 }