diff --git a/make-archive.sh b/make-archive.sh
index aec6eee..9127ba8 100755
--- a/make-archive.sh
+++ b/make-archive.sh
@@ -11,7 +11,8 @@ rm -f $ARCHIVE_DIR.zip
 mkdir $ARCHIVE_DIR
 
 cp {generate-example-set.sh,README.md,COPYING} $ARCHIVE_DIR
-cp web/{data.json,index.html,phonagen.css,phonagen.js} $ARCHIVE_DIR
+mkdir -p $ARCHIVE_DIR/web
+cp web/{data.json,index.html,phonagen.css,phonagen.js} $ARCHIVE_DIR/web
 cp -r examples $ARCHIVE_DIR
 mkdir -p $ARCHIVE_DIR/py-phonagen
 cp py-phonagen/*.py $ARCHIVE_DIR/py-phonagen