diff --git a/collectors/README.md b/collectors/README.md
index 24119ad..b8db043 100644
--- a/collectors/README.md
+++ b/collectors/README.md
@@ -33,8 +33,10 @@ In contrast to the configuration files for sinks and receivers, the collectors c
 * [`topprocs`](./topprocsMetric.md)
 * [`nfs3stat`](./nfs3Metric.md)
 * [`nfs4stat`](./nfs4Metric.md)
+* [`nfsiostat`](./nfsiostatMetric.md)
 * [`cpufreq`](./cpufreqMetric.md)
 * [`cpufreq_cpuinfo`](./cpufreqCpuinfoMetric.md)
+* [`schedstat`](./schedstatMetric.md)
 * [`numastats`](./numastatsMetric.md)
 * [`gpfs`](./gpfsMetric.md)
 * [`beegfs_meta`](./beegfsmetaMetric.md)
diff --git a/receivers/natsReceiver.go b/receivers/natsReceiver.go
index ffb6dab..4f9f552 100644
--- a/receivers/natsReceiver.go
+++ b/receivers/natsReceiver.go
@@ -91,17 +91,18 @@ func (r *NatsReceiver) _NatsReceive(m *nats.Msg) {
 				return
 			}
 
-			y, _ := lp.NewMessage(
+			y, err := lp.NewMessage(
 				string(measurement),
 				tags,
 				nil,
 				fields,
 				t,
 			)
-
-			m, err := r.mp.ProcessMessage(y)
-			if err == nil && m != nil {
-				r.sink <- m
+			if err == nil {
+				m, err := r.mp.ProcessMessage(y)
+				if err == nil && m != nil && r.sink != nil {
+					r.sink <- m
+				}
 			}
 		}
 	}