diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 06340fd..98477df 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -690,7 +690,7 @@
  * @handle	handle to find
  * @return	EFI object
  */
-struct efi_object *efi_search_obj(void *handle)
+struct efi_object *efi_search_obj(const void *handle)
 {
 	struct efi_object *efiobj;