diff --git a/src/test/java/com/esaulpaugh/headlong/abi/MonteCarloTestCase.java b/src/test/java/com/esaulpaugh/headlong/abi/MonteCarloTestCase.java
index 58808ce4..9ff6b5de 100644
--- a/src/test/java/com/esaulpaugh/headlong/abi/MonteCarloTestCase.java
+++ b/src/test/java/com/esaulpaugh/headlong/abi/MonteCarloTestCase.java
@@ -173,7 +173,9 @@ private static void testDeepCopy(Tuple values) {
                 }
             } else {
                 assertEquals(tElement, t2Element);
-                if (c != Tuple.class) {
+                if (c == Tuple.class) {
+                    assertNotSame(tElement, t2Element);
+                } else {
                     assertSame(tElement, t2Element);
                 }
             }