1 files changed, 3 insertions, 3 deletions
diff --git a/src/test/scala/spray/json/CollectionFormatsSpec.scala b/src/test/scala/spray/json/CollectionFormatsSpec.scala
index 3d953bb..9d6970b 100644
--- a/src/test/scala/spray/json/CollectionFormatsSpec.scala
+++ b/src/test/scala/spray/json/CollectionFormatsSpec.scala
@@ -59,12 +59,12 @@ class CollectionFormatsSpec extends Specification with DefaultJsonProtocol {
   
   "The immutableSetFormat" should {
     val set = Set(1, 2, 3)
-    val json = JsArray(JsNumber(1), JsNumber(2), JsNumber(3))
+    val numbers = Set(JsNumber(1), JsNumber(2), JsNumber(3))
     "convert a Set[Int] to a JsArray of JsNumbers" in {
-      set.toJson mustEqual json
+      set.toJson.asInstanceOf[JsArray].elements.toSet mustEqual numbers
     }
     "convert a JsArray of JsNumbers to a Set[Int]" in {
-      json.convertTo[Set[Int]] mustEqual set
+      JsArray(numbers.toVector).convertTo[Set[Int]] mustEqual set
     }
   }