diff --git a/pkgs/typed-racket-pkgs/typed-racket-test/tests/typed-racket/optimizer/known-bugs.rkt b/pkgs/typed-racket-pkgs/typed-racket-test/tests/typed-racket/optimizer/known-bugs.rkt
index 44055869e2..f7f9b649e6 100644
--- a/pkgs/typed-racket-pkgs/typed-racket-test/tests/typed-racket/optimizer/known-bugs.rkt
+++ b/pkgs/typed-racket-pkgs/typed-racket-test/tests/typed-racket/optimizer/known-bugs.rkt
@@ -74,6 +74,7 @@
     ;; Division of complex 0 should only make part of the result nan
     (good-opt (/ 0.0+0.0i))
     (bad-opt (/ 1 0.0+0.0i))
+    (bad-opt (/ 1.5 -3.0+9.8e-324i))
 
     ;; Division of complex infinity should only make part of the result nan
     (good-opt (/ (make-rectangular 1.0 +inf.0)))