diff --git a/src/include/86box/machine.h b/src/include/86box/machine.h
index 04d13270e..cf3a353b1 100644
--- a/src/include/86box/machine.h
+++ b/src/include/86box/machine.h
@@ -787,6 +787,8 @@ 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_v20xt_init(const machine_t *);
+
 extern int machine_xt_iskra3104_init(const machine_t *);
 extern int machine_xt_pravetz16_imko4_init(const machine_t *);