diff --git a/README.macos b/README.macos
index 3ec0d0429..aecd2922f 100644
--- a/README.macos
+++ b/README.macos
@@ -16,6 +16,7 @@ You need:
  $ port install libeXosip2 #WARNING: currently outdated in macport
  $ port install ffmpeg-devel
  $ port install libvpx
+ $ port install readline
  
 - Install srtp (optional) for call encryption
  $ port install srtp