diff --git a/producer/proto/config_impl.go b/producer/proto/config_impl.go
index b00dfb3f..94acd9a4 100644
--- a/producer/proto/config_impl.go
+++ b/producer/proto/config_impl.go
@@ -203,7 +203,7 @@ func (m *SFlowMapper) Map(layer string) MapLayerIterator {
 
 func (m *SFlowMapper) ParsePacket(flowMessage ProtoProducerMessageIf, data []byte) (err error) {
 	if m == nil {
-		return nil
+		return ParsePacket(flowMessage, data, m, DefaultEnvironment)
 	}
 	return ParsePacket(flowMessage, data, m, m.parserEnvironment)
 }