diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index e8bfe6f..8b6d4cf 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -93,6 +93,7 @@ static void load_gdt(const u64 *boot_gdt, u16 num_entries)
 void init_gd(gd_t *id, u64 *gdt_addr)
 {
 	id->gd_addr = (ulong)id;
+	gd->fdt_blob = NULL;
 	setup_gdt(id, gdt_addr);
 }