diff --git a/pkgs/racket-test-core/tests/racket/foreign-test.rktl b/pkgs/racket-test-core/tests/racket/foreign-test.rktl
index 3a411f43df..f9add1d56d 100644
--- a/pkgs/racket-test-core/tests/racket/foreign-test.rktl
+++ b/pkgs/racket-test-core/tests/racket/foreign-test.rktl
@@ -164,6 +164,9 @@
   (error-test #'(_enum '(x = y)) _enum-exn?)
   (error-test #'(_enum '(x y) #:unknown (lambda (x y) x)) _enum-exn?))
 
+(test 5 cast 'foo (_enum '(foo = 5)) _int)
+(test -5 cast 'bar (_enum '(bar = -5)) _int)
+
 (define-cstruct _ic7i ([i1 _int]
                        [c7 _c7_list]
                        [i2 _int]))
diff --git a/racket/collects/ffi/unsafe.rkt b/racket/collects/ffi/unsafe.rkt
index 7f46980e37..b07905c32a 100644
--- a/racket/collects/ffi/unsafe.rkt
+++ b/racket/collects/ffi/unsafe.rkt
@@ -820,7 +820,7 @@
                                  "symbols" symbols
                                  "key" sym
                                  "value" i))
-        (unless (exact-nonnegative-integer? i)
+        (unless (exact-integer? i)
           (raise-arguments-error '_enum "value is not an integer"
                                  "symbols" symbols
                                  "key" sym