diff --git a/exporter/loadbalancingexporter/factory.go b/exporter/loadbalancingexporter/factory.go
index 331ae9a98517..f748ff162c6f 100644
--- a/exporter/loadbalancingexporter/factory.go
+++ b/exporter/loadbalancingexporter/factory.go
@@ -32,7 +32,7 @@ func NewFactory() exporter.Factory {
 func createDefaultConfig() component.Config {
 	otlpFactory := otlpexporter.NewFactory()
 	otlpDefaultCfg := otlpFactory.CreateDefaultConfig().(*otlpexporter.Config)
-	otlpDefaultCfg.Endpoint = "placeholder"
+	otlpDefaultCfg.Endpoint = "placeholder:4317"
 
 	return &Config{
 		Protocol: Protocol{
diff --git a/exporter/loadbalancingexporter/testdata/test-build-exporter-config.yaml b/exporter/loadbalancingexporter/testdata/test-build-exporter-config.yaml
index b7e1b4475437..bce0c82f379b 100644
--- a/exporter/loadbalancingexporter/testdata/test-build-exporter-config.yaml
+++ b/exporter/loadbalancingexporter/testdata/test-build-exporter-config.yaml
@@ -7,7 +7,7 @@ exporters:
   loadbalancing:
     protocol:
       otlp:
-        endpoint: should-be-replaced
+        endpoint: should-be-replaced:4317
 
     resolver:
       static: