diff --git a/event_kqueue.go b/event_kqueue.go
index 10bc32c..1a0d99c 100644
--- a/event_kqueue.go
+++ b/event_kqueue.go
@@ -1,4 +1,4 @@
-// +build dragonfly freebsd netbsd openbsd
+// +build darwin dragonfly freebsd netbsd openbsd
 // +build !fsnotify
 
 package notify
diff --git a/event_stub.go b/event_stub.go
index 4b5fe2a..77cd7a1 100644
--- a/event_stub.go
+++ b/event_stub.go
@@ -1,4 +1,5 @@
-// +build !linux,!fsnotify,!freebsd,!dragonfly,!netbsd,!openbsd
+// +build !darwin,!linux,!freebsd,!dragonfly,!netbsd,!openbsd
+// +build !fsnotify
 
 package notify
 
diff --git a/watcher_kqueue.go b/watcher_kqueue.go
index 86609e9..b4c4034 100644
--- a/watcher_kqueue.go
+++ b/watcher_kqueue.go
@@ -1,4 +1,4 @@
-// +build dragonfly freebsd netbsd openbsd
+// +build darwin dragonfly freebsd netbsd openbsd
 // +build !fsnotify
 
 package notify
diff --git a/watcher_stub.go b/watcher_stub.go
index 434fd26..00e3765 100644
--- a/watcher_stub.go
+++ b/watcher_stub.go
@@ -1,4 +1,5 @@
-// +build !linux,!fsnotify,!freebsd,!dragonfly,!netbsd,!openbsd
+// +build !darwin,!linux,!freebsd,!dragonfly,!netbsd,!openbsd
+// +build !fsnotify
 
 package notify