diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 6ff9a15cced8..7634dff99f41 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3301,6 +3301,7 @@ static int __ipmi_bmc_register(struct ipmi_smi *intf,
 	list_del(&intf->bmc_link);
 	mutex_unlock(&bmc->dyn_mutex);
 	intf->bmc = &intf->tmp_bmc;
+	ida_free(&ipmi_bmc_ida, bmc->pdev.id);
 	put_device(&bmc->pdev.dev);
 	goto out;
 }