diff --git a/test/test-run-program.script b/test/test-run-program.script
index 10925f6bf0f03cf268415afd76bf792a58e520f9..cf0f1ee796a57041ca05e0d13cedca2a162fec6c 100644
--- a/test/test-run-program.script
+++ b/test/test-run-program.script
@@ -252,7 +252,7 @@ Testing run-program
 
   ;; a basic smoke test
   (assert-equal (run-program '("cmd" "/c" "echo" "ok") :output :lines)
-                '(("ok")))
+                '("ok"))
 
   t)