diff --git a/libusb-ffi.lisp b/libusb-ffi.lisp
index 3597965..099bda5 100644
--- a/libusb-ffi.lisp
+++ b/libusb-ffi.lisp
@@ -3,6 +3,7 @@
 (in-package #:libusb-ffi)
 
 (define-foreign-library libusb
+  (:darwin (:or (:default "libusb") (:default "libusb-legacy")))
   (:bsd "libusb-legacy-0.1.4.4.4.dylib")
   (:unix (:or "libusb-0.1.so.4.4" "libusb-0.1.so.4" "libusb-0.1.so"))
   (:windows "libusb0")