diff --git a/include/efi_loader.h b/include/efi_loader.h
index 69442f4..9600941 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -743,7 +743,7 @@
 efi_status_t efi_file_size(struct efi_file_handle *fh, efi_uintn_t *size);
 
 /* get a device path from a Boot#### option */
-struct efi_device_path *efi_get_dp_from_boot(const efi_guid_t guid);
+struct efi_device_path *efi_get_dp_from_boot(const efi_guid_t *guid);
 
 /* get len, string (used in u-boot crypto from a guid */
 const char *guid_to_sha_str(const efi_guid_t *guid);