Index: kernel/arch/amd64/src/boot/multiboot2.S
===================================================================
--- kernel/arch/amd64/src/boot/multiboot2.S	(revision 9bf4488cfeb609943351765b36f09895d9b0c67d)
+++ kernel/arch/amd64/src/boot/multiboot2.S	(revision ae8d7b08ee87b5250ac55eb2e4d59710943f445a)
@@ -54,4 +54,5 @@
 		.word MULTIBOOT2_FLAGS_REQUIRED
 		.long tag_info_req_end - tag_info_req_start
+		.long MULTIBOOT2_TAG_CMDLINE
 		.long MULTIBOOT2_TAG_MODULE
 		.long MULTIBOOT2_TAG_MEMMAP