diff --git a/collects/tests/typed-scheme/optimizer/generic/unboxed-let2.rkt b/collects/tests/typed-scheme/optimizer/generic/unboxed-let2.rkt
new file mode 100644
index 00000000..f5f8c2a5
--- /dev/null
+++ b/collects/tests/typed-scheme/optimizer/generic/unboxed-let2.rkt
@@ -0,0 +1,7 @@
+#lang typed/scheme #:optimize
+
+(require racket/unsafe/ops)
+
+(let ((t1 (+ 1.0+2.0i 2.0+4.0i))
+      (t2 (+ 3.0+6.0i 4.0+8.0i)))
+  (+ t1 t2))