diff --git a/collects/tests/typed-racket/succeed/pr13490.rkt b/collects/tests/typed-racket/succeed/pr13490.rkt
new file mode 100644
index 0000000000..968350b6bf
--- /dev/null
+++ b/collects/tests/typed-racket/succeed/pr13490.rkt
@@ -0,0 +1,4 @@
+#lang typed/racket
+(define: z : 0+3.14i 0+3.14i)
+(number->string z)
+