diff --git a/collects/tests/racket/contract-mzlib-test.rktl b/collects/tests/racket/contract-mzlib-test.rktl
index 365b327..cfa9869 100644
--- a/collects/tests/racket/contract-mzlib-test.rktl
+++ b/collects/tests/racket/contract-mzlib-test.rktl
@@ -4164,7 +4164,7 @@ so that propagation occurs.
   (test-name '(>/c 5) (>/c 5))
   (test-name '(between/c 5 6) (between/c 5 6))
   (test-name '(integer-in 0 10) (integer-in 0 10))
-  (test-name '(real-in 1 10) (real-in 1 10))
+  (test-name '(between/c 1 10) (real-in 1 10))
   (test-name '(string-len/c 3) (string/len 3))
   (test-name 'natural-number/c natural-number/c)
   (test-name #f false/c)