diff --git a/Makefile.am b/Makefile.am
index a26bebd81..b0639eeb7 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: