diff --git a/src/boot.asm b/src/boot.asm
index 0695acb..660a9b9 100644
--- a/src/boot.asm
+++ b/src/boot.asm
@@ -1,11 +1,8 @@
-extern kernel_main
-
 %define MAGIC       0xe85250d6
 %define ARCH        0
 %define LEN         (header_end - header_start)
 %define CHECKSUM    -(MAGIC + ARCH + LEN)
 
-section .multiboot
 header_start:
 align 8
     dd MAGIC
@@ -18,10 +15,11 @@ header_end:
 
 section .bss
 align 16
-stack_bottom:
 resb 16384
 stack_top:
 
+extern kernel_main
+
 section .text
 global _start
 _start: