diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 8615f7581820d44ef7cd652c8ef2662310ac5122..41de115a55b79fa47d6df6cacaadedd332c1b478 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -266,7 +266,7 @@ static efi_status_t setup_efi_vars(struct boot_params *params)
 	while (data && data->next)
 		data = (struct setup_data *)(unsigned long)data->next;
 
-	status = efi_call_phys4(sys_table->runtime->query_variable_info,
+	status = efi_call_phys4((void *)sys_table->runtime->query_variable_info,
 				EFI_VARIABLE_NON_VOLATILE |
 				EFI_VARIABLE_BOOTSERVICE_ACCESS |
 				EFI_VARIABLE_RUNTIME_ACCESS, &store_size,