diff --git a/D4-mac/README.md b/D4-mac/README.md
index b06abef..46a88a8 100644
--- a/D4-mac/README.md
+++ b/D4-mac/README.md
@@ -13,3 +13,5 @@ autohilite-d4: non-autohilite sprite on the left, autohilite sprite on the right
 autohilite-matte-d4: non-matte sprite on the left, matte sprite on the right. neither should autohilite.
 
 autohilite-moveable-d4: moveable sprite on the left, non-moveable sprite on the right. moveable should not autohilite, non-moveable should autohilite.
+
+nonpuppetloop.dir: A non-puppet, looping sound should *not* loop if the sound channel is empty when the sound ends.
diff --git a/D4-mac/nonpuppetloop.dir b/D4-mac/nonpuppetloop.dir
new file mode 100644
index 0000000..d349658
Binary files /dev/null and b/D4-mac/nonpuppetloop.dir differ