diff --git a/dns/transport/dhcp/dhcp.go b/dns/transport/dhcp/dhcp.go
index 8dc22c49..9585629c 100644
--- a/dns/transport/dhcp/dhcp.go
+++ b/dns/transport/dhcp/dhcp.go
@@ -111,6 +111,7 @@ func (t *Transport) Close() error {
 func (t *Transport) Reset() {
 	t.transportLock.Lock()
 	t.updatedAt = time.Time{}
+	t.lastError = nil
 	t.servers = nil
 	t.transportLock.Unlock()
 }