diff --git a/tools/make_mac_package.sh b/tools/make_mac_package.sh
index c5a956d..9e78910 100755
--- a/tools/make_mac_package.sh
+++ b/tools/make_mac_package.sh
@@ -45,5 +45,5 @@ EOF
 chmod +x $DEST/generator-bin/protoc
 
 # Tar it all up
-( cd dist; tar -czf $VERSION.tgz $VERSION )
+( cd dist; zip -r $VERSION.zip $VERSION )