diff --git a/main-command/src/main/scala/sbt/Watched.scala b/main-command/src/main/scala/sbt/Watched.scala
index 8b8385b61..1c2396593 100644
--- a/main-command/src/main/scala/sbt/Watched.scala
+++ b/main-command/src/main/scala/sbt/Watched.scala
@@ -141,7 +141,7 @@ object Watched {
         FileSystems.getDefault.newWatchService()
       case _ if Properties.isMac =>
         // WatchService is slow on macOS - use old polling mode
-        new PollingWatchService(PollDelay)
+        new MacOSXWatchService(PollDelay)
       case _ =>
         FileSystems.getDefault.newWatchService()
     }