diff --git a/internal/servercore/api.go b/internal/servercore/api.go
index ef02e1ebba4656a9ea5c410332b1d16a3ace4b64..e7641f34d531f917ba1d3e836db57ee853a3ffc1 100644
--- a/internal/servercore/api.go
+++ b/internal/servercore/api.go
@@ -102,7 +102,7 @@ func (s *Server) StartSession(req interface{}) (*irma.Qr, string, error) {
 	session := s.newSession(action, rrequest)
 	s.conf.Logger.WithFields(logrus.Fields{"action": action, "session": session.token}).Infof("Session started")
 	if s.conf.Logger.IsLevelEnabled(logrus.DebugLevel) {
-		s.conf.Logger.WithFields(logrus.Fields{"session": session.token}).Info("Session request: ", server.ToJson(rrequest))
+		s.conf.Logger.WithFields(logrus.Fields{"session": session.token, "clienttoken": session.clientToken}).Info("Session request: ", server.ToJson(rrequest))
 	} else {
 		s.conf.Logger.WithFields(logrus.Fields{"session": session.token}).Info("Session request (purged of attribute values): ", server.ToJson(purgeRequest(rrequest)))
 	}
diff --git a/revocation.go b/revocation.go
index b4f8d7c33e50977f9e9ba95151ff42103f777dbe..dcd4da646a99506252c8c4111633a39060db1eef 100644
--- a/revocation.go
+++ b/revocation.go
@@ -427,6 +427,7 @@ func (rs *RevocationStorage) UpdateIfOld(typ CredentialTypeIdentifier) error {
 	settings := rs.getSettings(typ)
 	// update 10 seconds before the maximum, to stay below it
 	if settings.updated.Before(time.Now().Add(time.Duration(-settings.MaxNonrevocationDuration+10) * time.Second)) {
+		Logger.WithField("credtype", typ).Tracef("fetching revocation updates")
 		if err := rs.UpdateDB(typ); err != nil {
 			return err
 		}
diff --git a/revocation_db.go b/revocation_db.go
index 4cb83172bb21dceb79e74ae78aa5716822c9740c..6cce1bf43634a53e00054e182208bf53cfe3d4e4 100644
--- a/revocation_db.go
+++ b/revocation_db.go
@@ -172,7 +172,7 @@ func (m memRevStorage) Latest(typ CredentialTypeIdentifier, count uint64) map[ui
 		}
 		copy(update.Events, r.Events[offset:])
 		if len(update.Events) > 0 {
-			Logger.Tracef("membdb: get %d-%d", update.Events[0].Index, update.Events[len(update.Events)-1].Index)
+			Logger.Tracef("memdb: get %d-%d", update.Events[0].Index, update.Events[len(update.Events)-1].Index)
 		}
 		updates[r.SignedAccumulator.PKCounter] = update
 	}
@@ -214,7 +214,7 @@ func (m memRevStorage) Insert(typ CredentialTypeIdentifier, update *revocation.U
 		return
 	}
 
-	Logger.Trace("membdb: inserting")
+	Logger.Trace("memdb: inserting")
 	r.SignedAccumulator = update.SignedAccumulator
 	r.Events = append(r.Events, theirs[offset:]...)
 }