diff --git a/object.c b/object.c
index 68f80b0b3d8..98017bed8ef 100644
--- a/object.c
+++ b/object.c
@@ -412,15 +412,16 @@ void object_array_clear(struct object_array *array)
 }
 
 /*
- * Return true iff array already contains an entry with name.
+ * Return true if array already contains an entry.
  */
-static int contains_name(struct object_array *array, const char *name)
+static int contains_object(struct object_array *array,
+			   const struct object *item, const char *name)
 {
 	unsigned nr = array->nr, i;
 	struct object_array_entry *object = array->objects;
 
 	for (i = 0; i < nr; i++, object++)
-		if (!strcmp(object->name, name))
+		if (item == object->item && !strcmp(object->name, name))
 			return 1;
 	return 0;
 }
@@ -432,7 +433,8 @@ void object_array_remove_duplicates(struct object_array *array)
 
 	array->nr = 0;
 	for (src = 0; src < nr; src++) {
-		if (!contains_name(array, objects[src].name)) {
+		if (!contains_object(array, objects[src].item,
+				     objects[src].name)) {
 			if (src != array->nr)
 				objects[array->nr] = objects[src];
 			array->nr++;
diff --git a/t/t6020-bundle-misc.sh b/t/t6020-bundle-misc.sh
index 201f34b5c3b..b554538e002 100755
--- a/t/t6020-bundle-misc.sh
+++ b/t/t6020-bundle-misc.sh
@@ -167,7 +167,7 @@ test_expect_success 'setup' '
 	test_commit_setvar P "Commit P" main.txt
 '
 
-test_expect_failure 'create bundle from special rev: main^!' '
+test_expect_success 'create bundle from special rev: main^!' '
 	git bundle create special-rev.bdl "main^!" &&
 
 	git bundle list-heads special-rev.bdl |