diff --git a/src/client/exporter_config.ml b/src/client/exporter_config.ml
index f88ec367..d03429f9 100644
--- a/src/client/exporter_config.ml
+++ b/src/client/exporter_config.ml
@@ -145,8 +145,9 @@ module Env () : ENV = struct
     | Some "info" -> Log_level_info
     | Some "debug" -> Log_level_debug
     | Some s ->
-      Printf.eprintf "warning: unknown log level %S\n%!" s;
-      Log_level_none
+      Printf.eprintf "warning: unknown log level %S, defaulting to info\n%!" s;
+      (* log in info level, so we at least don't miss warnings and errors  *)
+      Log_level_info
     | None ->
       if get_debug_from_env () then
         Log_level_debug
diff --git a/src/client/exporter_config.mli b/src/client/exporter_config.mli
index 071ac15c..40f1ccba 100644
--- a/src/client/exporter_config.mli
+++ b/src/client/exporter_config.mli
@@ -16,7 +16,7 @@ type log_level =
   | Log_level_debug
 
 type rest
-(** Opaque type to force using {!make} while allowing record updates *)
+(** opaque type to force using {!make} while allowing record updates *)
 
 type t = {
   debug: bool; [@alert deprecated "Use log_level instead"]
diff --git a/src/client/http_config.mli b/src/client/http_config.mli
index 135d99e9..01524b71 100644
--- a/src/client/http_config.mli
+++ b/src/client/http_config.mli
@@ -1,3 +1,4 @@
 (** @deprecated Use {!Exporter_config} instead *)
 
 include module type of Exporter_config
+[@@deprecated "use Exporter_config instead"]