diff --git a/setup.sh b/setup.sh
index ec4c21503..1968349e5 100644
--- a/setup.sh
+++ b/setup.sh
@@ -229,7 +229,7 @@ exporters:
   otlphttp:
     endpoint: "${OTEL_EXPORTER_OTLP_ENDPOINT}"
     headers:
-      Authorization: "${OTEL_AUTH_HEADER}"
+      Authorization: "Basic ${OTEL_AUTH_HEADER}"
     tls:
       insecure: true  # Set to false in production with proper certs