diff --git a/internal/registry/registry.go b/internal/registry/registry.go
index 610e153..9e425d2 100644
--- a/internal/registry/registry.go
+++ b/internal/registry/registry.go
@@ -123,6 +123,15 @@ func (r *Registry) RemoveNode(node types.Node) error {
 
 func (r *Registry) Set(nodes map[string]types.Node) error {
 	r.lock.Lock()
+	equalFunc := func(a, b types.Node) bool {
+		return a.Hostname == b.Hostname
+	}
+
+	if maps.EqualFunc(r.nodes, nodes, equalFunc) {
+		r.lock.Unlock()
+		return nil
+	}
+
 	r.nodes = maps.Clone(nodes)
 	snapshot := r.snapshot()
 	r.lock.Unlock()