diff --git a/R/handler_notifier.R b/R/handler_notifier.R
index 9217c6f..b858ffb 100644
--- a/R/handler_notifier.R
+++ b/R/handler_notifier.R
@@ -28,7 +28,7 @@ handler_notifier <- function(intrusiveness = getOption("progressr.intrusiveness.
       notifier_(msg = message, title = title)
     }
   } else {
-    notifier <- function(...) NULL
+    notifier <- function(title = "R 'progressr' notification", message, ...) NULL
   }
 
   reporter <- local({