diff --git a/tests/tarrays3.nim b/tests/tarrays3.nim
new file mode 100644
index 0000000..10b4b39
--- /dev/null
+++ b/tests/tarrays3.nim
@@ -0,0 +1,22 @@
+import drchaos/mutator, std/random
+
+type
+  DiceFace = distinct int
+
+const
+  df1 = 0.DiceFace
+  df2 = 2.DiceFace
+  df3 = 4.DiceFace
+  df4 = 8.DiceFace
+  df5 = 16.DiceFace
+  df6 = 32.DiceFace
+
+proc `==`(a, b: DiceFace): bool {.borrow.}
+
+proc mutate(value: var DiceFace; sizeIncreaseHint: int; enforceChanges: bool; r: var Rand) =
+  repeatMutate(r.sample([df1, df2, df3, df4, df5, df6]))
+
+func fuzzTarget(x: array[10, DiceFace]) =
+  doAssert x != array[10, DiceFace]([0, 32, 2, 4, 8, 4, 32, 8, 16, 2])
+
+defaultMutator(fuzzTarget)