diff --git a/play-json/jvm/src/test/scala/play/api/libs/json/JsObjectSerializationSpec.scala b/play-json/jvm/src/test/scala/play/api/libs/json/JsObjectSerializationSpec.scala
index 00f5a159..d908be27 100644
--- a/play-json/jvm/src/test/scala/play/api/libs/json/JsObjectSerializationSpec.scala
+++ b/play-json/jvm/src/test/scala/play/api/libs/json/JsObjectSerializationSpec.scala
@@ -16,7 +16,16 @@ class JsObjectSerializationSpec extends Specification {
         "field1" -> 123,
         "field2" -> "abc",
         "field3" -> JsNull,
-        "obj"    -> Json.obj("field1" -> 234)
+        "obj"    -> Json.obj("field1" -> 234),
+        "arr" -> JsArray(
+          Seq(
+            JsString("abc"),
+            JsNumber(123),
+            JsBoolean(true),
+            JsNull,
+            Json.obj("field1" -> 345)
+          )
+        )
       )
 
       val bos = new ByteArrayOutputStream()