diff --git a/src/include/86box/machine.h b/src/include/86box/machine.h
index cf3a353b1..c8f2314c0 100644
--- a/src/include/86box/machine.h
+++ b/src/include/86box/machine.h
@@ -786,6 +786,7 @@ 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_pb8810_init(const machine_t *);
 
 extern int machine_xt_v20xt_init(const machine_t *);