diff --git a/lib/resources/reference.conf b/lib/resources/reference.conf
index 64df1fc..39f1e62 100644
--- a/lib/resources/reference.conf
+++ b/lib/resources/reference.conf
@@ -36,6 +36,6 @@ profiling {
 otel {
   enabled = false
   enabled = ${?CELLAR_OTEL_ENABLED}
-  endpoint = "https://178.104.189.163:4318/v1/traces"
+  endpoint = "http://178.104.189.163:4318/v1/traces"
   endpoint = ${?CELLAR_OTEL_ENDPOINT}
 }