diff --git a/kernel.ld b/kernel.ld
index cda9d25..9e1b865 100644
--- a/kernel.ld
+++ b/kernel.ld
@@ -27,4 +27,9 @@ SECTIONS
         *(COMMON)
         __bss_end = .;
     }
+
+    .note : ALIGN(4)
+    {
+        *(.note.Xen)
+    }
 }
diff --git a/kernel_entry.S b/kernel_entry.S
index 487384f..9cd45d9 100644
--- a/kernel_entry.S
+++ b/kernel_entry.S
@@ -88,6 +88,15 @@ long_mode_start:
     hlt
     jmp 1b
 
+.section .note.Xen, "a", @note
+.align 4
+.long 4
+.long 4
+.long 18
+.asciz "Xen"
+.align 4
+.long _start
+
 .section .rodata
 .align 8
 gdt64: