diff --git a/src/main.rs b/src/main.rs
index d40334a..64b3014 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -162,7 +162,7 @@ fn create(command: args::CreateCommand) -> anyhow::Result<()> {
     info!("Partitioning the block device");
     debug!("{:?}", disk_path);
 
-    let boot_size = command.boot_size.unwrap_or(300);
+    let boot_size = command.boot_size.unwrap_or(450);
 
     sgdisk
         .execute()