diff --git a/lib/efi_loader/efi_helper.c b/lib/efi_loader/efi_helper.c
index 8c32059..3936139 100644
--- a/lib/efi_loader/efi_helper.c
+++ b/lib/efi_loader/efi_helper.c
@@ -485,7 +485,7 @@
 	 * needs to be expanded later.
 	 */
 	fdt = *fdtp;
-	fdt_pages = efi_size_in_pages(fdt_totalsize(fdt) + 0x3000);
+	fdt_pages = efi_size_in_pages(fdt_totalsize(fdt) + CONFIG_SYS_FDT_PAD);
 	fdt_size = fdt_pages << EFI_PAGE_SHIFT;
 
 	ret = efi_allocate_pages(EFI_ALLOCATE_ANY_PAGES,