diff --git a/extlib/benz b/extlib/benz
index e6a2af0b..3a7fb12b 160000
--- a/extlib/benz
+++ b/extlib/benz
@@ -1 +1 @@
-Subproject commit e6a2af0bf617e69abd2c434a32979ab13578bb7e
+Subproject commit 3a7fb12b2f30986c5dac1b9379d660e491b0f27e
diff --git a/t/r7rs-tests.scm b/t/r7rs-tests.scm
index a5eeb2a6..20b64ed1 100644
--- a/t/r7rs-tests.scm
+++ b/t/r7rs-tests.scm
@@ -489,10 +489,10 @@
 (define first car)
 (test 1 (first '(1 2)))
 
-;; (test 45 (let ((x 5))
-;;   (define foo (lambda (y) (bar x y)))
-;;   (define bar (lambda (a b) (+ (* a b) a)))
-;;   (foo (+ x 3))))
+(test 45 (let ((x 5))
+  (define foo (lambda (y) (bar x y)))
+  (define bar (lambda (a b) (+ (* a b) a)))
+  (foo (+ x 3))))
 
 (test 'ok
     (let ()