diff --git a/grub-core/loader/efi/linux.c b/grub-core/loader/efi/linux.c
index c1eef7c98..3a910b565 100644
--- a/grub-core/loader/efi/linux.c
+++ b/grub-core/loader/efi/linux.c
@@ -234,7 +234,7 @@ grub_arch_efi_linux_boot_image (grub_addr_t addr, grub_size_t size, char *args)
   status = b->start_image (image_handle, 0, NULL);
 
   /* When successful, not reached */
-  grub_error (GRUB_ERR_BAD_OS, "start_image() returned %" PRIuGRUB_EFI_UINTN_T, status);
+  grub_error (GRUB_ERR_BAD_OS, "start_image() returned 0x%" PRIxGRUB_EFI_UINTN_T, status);
   grub_efi_free_pages ((grub_addr_t) loaded_image->load_options,
 		       GRUB_EFI_BYTES_TO_PAGES (loaded_image->load_options_size));
 unload: