diff --git a/src/machine/m_at_386dx_486.c b/src/machine/m_at_386dx_486.c
index 4faaacfc5..bd41ed5c0 100644
--- a/src/machine/m_at_386dx_486.c
+++ b/src/machine/m_at_386dx_486.c
@@ -1098,6 +1098,7 @@ machine_at_hot433_init(const machine_t *model)
 
     device_add(&umc_hb4_device);
     device_add(&umc_8886af_device);
+    device_add(&um8669f_device);
     device_add(&intel_flash_bxt_device);
     device_add(&keyboard_at_ami_device);