diff --git a/o11y/otelcol-config.yml b/o11y/otelcol-config.yml
index 0b65559..3eb4d80 100644
--- a/o11y/otelcol-config.yml
+++ b/o11y/otelcol-config.yml
@@ -5,7 +5,9 @@ receivers:
   otlp:
     protocols:
       grpc:
+        endpoint: 0.0.0.0:4317
       http:
+        endpoint: 0.0.0.0:4318
 
 exporters:
   debug: