diff --git a/internal/pkg/otel/testdata/all-components.yml b/internal/pkg/otel/testdata/all-components.yml
index bd441e93bd2..9544ea6533d 100644
--- a/internal/pkg/otel/testdata/all-components.yml
+++ b/internal/pkg/otel/testdata/all-components.yml
@@ -2,7 +2,7 @@ exporters:
   debug:
   elasticsearch:
     endpoints:
-      - localhost:9200
+      - http://localhost:9200
   file:
     path: /tmp/file-exporter-output.json
   otlp: