diff --git a/unittests/vector_of_suffixed_numbers.chai b/unittests/vector_of_suffixed_numbers.chai
new file mode 100644
index 00000000..be3cb3a9
--- /dev/null
+++ b/unittests/vector_of_suffixed_numbers.chai
@@ -0,0 +1,2 @@
+var x = [1, 2u]
+assert_equal(2u, x[0])