diff --git a/x-pack/filebeat/input/netflow/decoder/v9/v9.go b/x-pack/filebeat/input/netflow/decoder/v9/v9.go
index 83d3a8135047..7f17a24f4faf 100644
--- a/x-pack/filebeat/input/netflow/decoder/v9/v9.go
+++ b/x-pack/filebeat/input/netflow/decoder/v9/v9.go
@@ -34,7 +34,7 @@ type NetflowV9Protocol struct {
 }
 
 func init() {
-	protocol.Registry.Register(ProtocolName, New)
+	_ = protocol.Registry.Register(ProtocolName, New)
 }
 
 func New(config config.Config) protocol.Protocol {