diff --git a/src/Storm/Collection.php b/src/Storm/Collection.php
index 23a00c646957e269b2276d0213253ff7f2f3fc6d..889c0fa21545a5c8a0e173462d4e0e5815f1d3fa 100644
--- a/src/Storm/Collection.php
+++ b/src/Storm/Collection.php
@@ -105,7 +105,7 @@ class Storm_Collection extends ArrayObject {
 
 
   public function includes($object) {
-    return in_array($object, $this->getArrayCopy());
+    return in_array($object, $this->getArrayCopy(), true);
   }
 
 
diff --git a/zf b/zf
index 83bde1eec6682f663041f522cd7b92cbf8afe004..eb090d1e732fa94a56cc5acabf3f4d74c3431eb4 160000
--- a/zf
+++ b/zf
@@ -1 +1 @@
-Subproject commit 83bde1eec6682f663041f522cd7b92cbf8afe004
+Subproject commit eb090d1e732fa94a56cc5acabf3f4d74c3431eb4