diff --git a/test/loiste/core_test.clj b/test/loiste/core_test.clj
index 8d1ff18..7dc2f1e 100644
--- a/test/loiste/core_test.clj
+++ b/test/loiste/core_test.clj
@@ -64,6 +64,7 @@
   ;; Keep the file around after tests for testing opening,
   ;; but remove on the start.
   (let [file (io/file "test-out" "new-file-test.xslx")]
+    (io/make-parents file)
     (doseq [wb* [(l/workbook)
                  (l/streaming-workbook)]]
       (.delete file)