diff --git a/src/include/86box/machine.h b/src/include/86box/machine.h
index 85a287e1a..fae7fb587 100644
--- a/src/include/86box/machine.h
+++ b/src/include/86box/machine.h
@@ -818,6 +818,12 @@ extern int	machine_xt_pc700_init(const machine_t *);
 extern int	machine_xt_pc500_init(const machine_t *);
 extern int	machine_xt_vendex_init(const machine_t *);
 extern int	machine_xt_znic_init(const machine_t *);
+extern int	machine_xt_super16t_init(const machine_t *);
+extern int	machine_xt_super16te_init(const machine_t *);
+extern int	machine_xt_top88_init(const machine_t *);
+extern int	machine_xt_kaypropc_init(const machine_t *);
+extern int	machine_xt_sansx16_init(const machine_t *);
+extern int	machine_xt_bw230_init(const machine_t *);
 
 extern int	machine_xt_iskra3104_init(const machine_t *);