diff --git a/tests/test-org-ql.el b/tests/test-org-ql.el
index 8214625f..6e5bd7a6 100644
--- a/tests/test-org-ql.el
+++ b/tests/test-org-ql.el
@@ -543,7 +543,7 @@ with keyword arg NOW in PLIST."
       (it "all clauses have preambles"
         (expect (org-ql--query-preamble '(or (regexp "a") (regexp "b")))
                 :to-equal (list :query '(or (regexp "a") (regexp "b"))
-                                :preamble (rx-to-string `(or (regexp "a") (regexp "b")))
+                                :preamble (rx-to-string `(or (regexp "b") (regexp "a")))
                                 :preamble-case-fold t)))
       (it "some clauses miss preambles"
         (expect (org-ql--query-preamble '(or (regexp "a") (+ 1 1)))