diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index b50a6c67d9bd23da5d55127e25bc658b76309931..2b7438ba1fbc7bad54f0a14ada59e579e003f811 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -672,7 +672,7 @@ typedef union efi_tcg2_protocol efi_tcg2_protocol_t;
 union efi_tcg2_protocol {
 	struct {
 		void *get_capability;
-		efi_status_t (__efiapi *get_event_log)(efi_handle_t,
+		efi_status_t (__efiapi *get_event_log)(efi_tcg2_protocol_t *,
 						       efi_tcg2_event_log_format,
 						       efi_physical_addr_t *,
 						       efi_physical_addr_t *,