diff --git a/bootle/package.nix b/bootle/package.nix
index a5de5eb..822cf89 100644
--- a/bootle/package.nix
+++ b/bootle/package.nix
@@ -37,7 +37,7 @@ in (naersk'.buildPackage {
       -e _start \
       target/x86_64-unknown-none/release/libbootle.a
 
-    dd if=/dev/zero of=disk bs=512 count=2
+    dd if=/dev/zero of=disk bs=512 count=2880
     dd if=${bootler}/bin/boot.bin of=disk conv=notrunc
     dd if=kernel.bin of=disk bs=512 seek=1 conv=notrunc
 
diff --git a/bootler/asm/boot.asm b/bootler/asm/boot.asm
index 5291d58..85b9a63 100644
--- a/bootler/asm/boot.asm
+++ b/bootler/asm/boot.asm
@@ -6,7 +6,7 @@
 LOAD_ADDR equ 0x7C00
 
 KERNEL_START equ 2             ; first sector on disk to load kernel from; 1 indexed
-KERNEL_SIZE equ 1              ; length of kernel in sectors
+KERNEL_SIZE equ 16             ; length of kernel in sectors
 KERNEL_LOAD_ADDR_ES equ 0x1000 ; kernel to be loaded at es * 0x10 + 0x0000
 
 PAGE_TABLE_LOAD_ADDR equ 0x1000 ; start of page table; 4 * pt size