diff --git a/collects/tests/stepper/test-cases.rkt b/collects/tests/stepper/test-cases.rkt
index 93f8846b1e..7eb7984ff7 100644
--- a/collects/tests/stepper/test-cases.rkt
+++ b/collects/tests/stepper/test-cases.rkt
@@ -428,7 +428,7 @@
 (t 'bad-cons m:upto-int/lam
    (cons 1 2)
    :: {(cons 1 2)}
-   -> error: "cons: second argument must be of type <list>, given 1 and 2")
+   -> error: "cons: second argument must be a list, but received 1 and 2")