diff --git a/pkg/acquisition/modules/syslog/syslog.go b/pkg/acquisition/modules/syslog/syslog.go
index 07b97c137..8aed28368 100644
--- a/pkg/acquisition/modules/syslog/syslog.go
+++ b/pkg/acquisition/modules/syslog/syslog.go
@@ -211,8 +211,10 @@ func (s *SyslogSource) handleSyslogMsg(out chan types.Event, t *tomb.Tomb, c cha
 					continue
 				}
 				line = s.buildLogFromSyslog(p2.Timestamp, p2.Hostname, p2.Tag, p2.PID, p2.Message)
+				linesParsed.With(prometheus.Labels{"source": syslogLine.Client, "type": "rfc5424"}).Inc()
 			} else {
 				line = s.buildLogFromSyslog(p.Timestamp, p.Hostname, p.Tag, p.PID, p.Message)
+				linesParsed.With(prometheus.Labels{"source": syslogLine.Client, "type": "rfc3164"}).Inc()
 			}
 
 			line = strings.TrimSuffix(line, "\n")