diff --git a/Formula/libinotify-kqueue.rb b/Formula/libinotify-kqueue.rb
index 0b14ba6..27354b3 100644
--- a/Formula/libinotify-kqueue.rb
+++ b/Formula/libinotify-kqueue.rb
@@ -17,6 +17,7 @@ class LibinotifyKqueue < Formula
   depends_on "automake" => :build
   depends_on "gcc" => :build
   depends_on "libtool" => :build
+  depends_on :macos
 
   def install
     # Autoconf