diff --git a/modules/messenger/cmd/messenger/asks.go b/modules/messenger/cmd/messenger/asks.go
index 59b23355..3dd72ee8 100644
--- a/modules/messenger/cmd/messenger/asks.go
+++ b/modules/messenger/cmd/messenger/asks.go
@@ -742,6 +742,7 @@ func (h *Holder) showOn(kind string, m Message) error {
 	if m.To != "" {
 		out.To = m.To
 	}
+	out.Secret = m.Secret
 	for _, a := range m.Actions {
 		out.Buttons = append(out.Buttons, asks.Button{Label: a.Label, Ticket: a.Token})
 	}
diff --git a/modules/messenger/cmd/messenger/holder.go b/modules/messenger/cmd/messenger/holder.go
index 75db0160..461ad264 100644
--- a/modules/messenger/cmd/messenger/holder.go
+++ b/modules/messenger/cmd/messenger/holder.go
@@ -94,6 +94,8 @@ type Message struct {
 	// To is the account it is for, when not the one linked: a notice to an account being unlinked, or an
 	// ask put to the account a relink replaces.
 	To string
+	// Secret: shown once, and kept by no channel (a link's code).
+	Secret bool
 }
 
 // Choice is one answer a message offers: the token a channel hands back when it is chosen, and its label.
diff --git a/modules/messenger/cmd/messenger/link.go b/modules/messenger/cmd/messenger/link.go
index 8f11c9de..959d11b9 100644
--- a/modules/messenger/cmd/messenger/link.go
+++ b/modules/messenger/cmd/messenger/link.go
@@ -173,7 +173,7 @@ func (h *Holder) Link(kind string, l asks.LinkAsked) string {
 		Body: fmt.Sprintf("The %s account %q (number %s) asked to be linked as you. If that is you, send this code to "+
 			"the bot before %s: %s %s. If it is not you, do nothing: nothing is linked.", Display(kind), who,
 			l.Sender.Identity, p.Expires.In(h.zone()).Format("15:04"), code[:3], code[3:]),
-		Urgent: true}
+		Urgent: true, Secret: true}
 	if err := h.showOn(shows, notice); err != nil {
 		_ = h.Asks.DeleteLink(kind)
 		return reply("Not linked", "The code could not be shown: "+err.Error())
diff --git a/modules/messenger/go.mod b/modules/messenger/go.mod
index d772907f..fac061a6 100644
--- a/modules/messenger/go.mod
+++ b/modules/messenger/go.mod
@@ -2,4 +2,4 @@ module messenger
 
 go 1.22
 
-require git.novox.be/novox/mesh-sdk/go v0.1.8-0.20261008162031-55090da7e08f
+require git.novox.be/novox/mesh-sdk/go v0.1.8-0.20261008163924-7c32dfbdf969
diff --git a/modules/messenger/go.sum b/modules/messenger/go.sum
index 98ffa640..fe8bb88f 100644
--- a/modules/messenger/go.sum
+++ b/modules/messenger/go.sum
@@ -8,3 +8,5 @@ git.novox.be/novox/mesh-sdk/go v0.1.8-0.20261008145004-62367ce15ad6 h1:JT7xM1bnL
 git.novox.be/novox/mesh-sdk/go v0.1.8-0.20261008145004-62367ce15ad6/go.mod h1:GFuZUElBZ9A++mxgIKo97aXXo+kV0uJ/UkbhQPPIbrY=
 git.novox.be/novox/mesh-sdk/go v0.1.8-0.20261008162031-55090da7e08f h1:BNvyWq899GwP7F3sY4ACieB5a5fnFAq+sJ9lP6HQ5qI=
 git.novox.be/novox/mesh-sdk/go v0.1.8-0.20261008162031-55090da7e08f/go.mod h1:GFuZUElBZ9A++mxgIKo97aXXo+kV0uJ/UkbhQPPIbrY=
+git.novox.be/novox/mesh-sdk/go v0.1.8-0.20261008163924-7c32dfbdf969 h1:qivAvJIYHFx3yNA+bt52yNRZkGioHLOw9dqs9zw4OJ8=
+git.novox.be/novox/mesh-sdk/go v0.1.8-0.20261008163924-7c32dfbdf969/go.mod h1:GFuZUElBZ9A++mxgIKo97aXXo+kV0uJ/UkbhQPPIbrY=