diff --git a/arch/x86/include/asm/multiboot.h b/arch/x86/include/asm/multiboot.h
index e5d2c19..327e7bb 100644
--- a/arch/x86/include/asm/multiboot.h
+++ b/arch/x86/include/asm/multiboot.h
@@ -43,6 +43,8 @@
 
 /// Does the bootloader provide mem_* fields?
 #define MULTIBOOT_INFO_MEM		(1 << 0)
+/// Does the bootloader provide the command-line?
+#define MULTIBOOT_INFO_CMDLINE	(1 << 2)
 /// Does the bootloader provide a list of modules?
 #define MULTIBOOT_INFO_MODS		(1 << 3)
 /// Does the bootloader provide a full memory map?