diff --git a/arch/x86/lib/init_helpers.c b/arch/x86/lib/init_helpers.c
index 4a6d9f3..6032ee5 100644
--- a/arch/x86/lib/init_helpers.c
+++ b/arch/x86/lib/init_helpers.c
@@ -96,16 +96,15 @@ int calculate_relocation_address(void)
 	dest_addr &= ~15;
 	gd->gdt_addr = dest_addr;
 
-	/* Stack is below GDT */
-	gd->start_addr_sp = dest_addr;
-
-	/* U-Boot is below the stack */
-	dest_addr -= CONFIG_SYS_STACK_SIZE;
+	/* U-Boot is below Global Data */
 	dest_addr -= (bss_end - text_start);
 	dest_addr &= ~15;
 	gd->relocaddr = dest_addr;
 	gd->reloc_off = (dest_addr - text_start);
 
+	/* Stack is at the bottom, so it can grow down */
+	gd->start_addr_sp = dest_addr - CONFIG_SYS_MALLOC_LEN;
+
 	return 0;
 }