diff --git a/tests/bin/cohttp_client.ml b/tests/bin/cohttp_client.ml
index 8cd4dbb0..a4523847 100644
--- a/tests/bin/cohttp_client.ml
+++ b/tests/bin/cohttp_client.ml
@@ -20,8 +20,9 @@ let run () =
     in
     let* () = Lwt_unix.sleep !sleep_outer in
     let module C = (val mk_client ~scope) in
+    (* Using the same default server O  *)
     let* _res, body =
-      C.get (Uri.of_string "https://enec1hql02hz.x.pipedream.net")
+      C.get (Uri.of_string Opentelemetry_client.Config.default_url)
     in
     let* () = Cohttp_lwt.Body.drain_body body in
     go ()
diff --git a/tests/bin/dune b/tests/bin/dune
index cb4712fb..84ac795f 100644
--- a/tests/bin/dune
+++ b/tests/bin/dune
@@ -1,7 +1,11 @@
 (executable
  (name emit1)
  (modules emit1)
- (libraries unix opentelemetry opentelemetry-client-ocurl))
+ (libraries
+  unix
+  opentelemetry
+  opentelemetry.client
+  opentelemetry-client-ocurl))
 
 (executable
  (name emit1_cohttp)
@@ -12,6 +16,7 @@
   unix
   opentelemetry
   opentelemetry-lwt
+  opentelemetry.client
   opentelemetry-client-cohttp-lwt
   lwt.unix))