diff --git a/src/include/86box/device.h b/src/include/86box/device.h
index 47f9b2448..e1342eb74 100644
--- a/src/include/86box/device.h
+++ b/src/include/86box/device.h
@@ -80,6 +80,8 @@ typedef struct {
     const char  *internal_name;
     int          bios_type;
     int          files_no;
+    uint32_t     local;
+    const device_t *dev1, *dev2;
     const char **files;
 } device_config_bios_t;