diff --git a/example/hybrid-mbr.nix b/example/hybrid-mbr.nix
index cf5f11f..4112005 100644
--- a/example/hybrid-mbr.nix
+++ b/example/hybrid-mbr.nix
@@ -1,9 +1,9 @@
-{disks ? ["/dev/sda"], ...}: {
+{
   disko.devices = {
     disk = {
       main = {
         type = "disk";
-        device = builtins.elemAt disks 0;
+        device = "/dev/sdb";
         content = {
           type = "gpt";
           efiGptPartitionFirst = false;
diff --git a/lib/types/gpt.nix b/lib/types/gpt.nix
index 6dc7e7c..1b47020 100644
--- a/lib/types/gpt.nix
+++ b/lib/types/gpt.nix
@@ -99,6 +99,8 @@ in
                   default = ''
                     ${lib.optionalString (hp.config.mbrPartitionType != null) ''
                       sfdisk --label-nested dos --part-type ${parent.device} ${(toString partition.config._index)} ${hp.config.mbrPartitionType}
+                      udevadm trigger --subsystem-match=block
+                      udevadm settle
                     ''}
                     ${lib.optionalString hp.config.mbrBootableFlag ''
                       sfdisk --label-nested dos --activate ${parent.device} ${(toString partition.config._index)}