diff --git a/cmd/converge/notifier.go b/cmd/converge/notifier.go
index 241b804..87eb9bb 100644
--- a/cmd/converge/notifier.go
+++ b/cmd/converge/notifier.go
@@ -15,6 +15,6 @@ func NewStateNotifier() *StateNotifier {
 }
 
 func (notifier StateNotifier) Publish(state *models.State) {
-	notifier.webNotificationChannel <- state
-	notifier.prometheusNotificationChannel <- state
+	notifier.webNotificationChannel <- state.Copy()
+	notifier.prometheusNotificationChannel <- state.Copy()
 }
diff --git a/pkg/models/state.go b/pkg/models/state.go
index 74c7aa5..74044fc 100644
--- a/pkg/models/state.go
+++ b/pkg/models/state.go
@@ -1,6 +1,18 @@
 package models
 
+// State is a description of the current state of converge.
+// Created by the server and used for updating the web client
+// and prometheus metrics.
 type State struct {
 	Agents  []Agent
 	Clients []Client
 }
+
+func (state *State) Copy() *State {
+	c := State{}
+	c.Agents = make([]Agent, len(state.Agents))
+	c.Clients = make([]Client, len(state.Clients))
+	copy(c.Agents, state.Agents)
+	copy(c.Clients, state.Clients)
+	return &c
+}