diff --git a/examples/demo/otel-collector-config.yaml b/examples/demo/otel-collector-config.yaml
index f6499d54cd79..205a47e97c4a 100644
--- a/examples/demo/otel-collector-config.yaml
+++ b/examples/demo/otel-collector-config.yaml
@@ -2,6 +2,7 @@ receivers:
   otlp:
     protocols:
       grpc:
+        endpoint: 0.0.0.0:4317
 
 exporters:
   prometheus:
diff --git a/examples/nomad/otel-collector.nomad b/examples/nomad/otel-collector.nomad
index e833f19a0628..55f7019c7e75 100644
--- a/examples/nomad/otel-collector.nomad
+++ b/examples/nomad/otel-collector.nomad
@@ -85,7 +85,9 @@ receivers:
   otlp:
     protocols:
       grpc:
+        endpoint: 0.0.0.0:4317
       http:
+        endpoint: 0.0.0.0:4318
 
 processors:
   batch: