diff --git a/Makefile.am b/Makefile.am
index a26bebd812d21b0ac94a3000c37a63cdd8edfc24..b0639eeb726521626983b671a84864c1d3b352a9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -25,6 +25,7 @@ EXTRA_DIST = \
 	windows/mexopts-win32.bat \
 	windows/mexopts-win64.bat \
 	windows/README.txt \
+	osx \
 	examples
 
 dist-hook: