diff --git a/CHANGELOG.md b/CHANGELOG.md
index dfeed1d..aada256 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 ChangeLog
 =========
 
+0.4.5 (????-??-??)
+------------------
+
+* #552: PHP 7.0.7 introduced a sublte BC break that caused Baikal to error.
+
 0.4.4 (2016-03-30)
 ------------------
 
diff --git a/Core/Frameworks/Flake/Core/Render/Zone.php b/Core/Frameworks/Flake/Core/Render/Zone.php
index e20e357..332de7b 100644
--- a/Core/Frameworks/Flake/Core/Render/Zone.php
+++ b/Core/Frameworks/Flake/Core/Render/Zone.php
@@ -33,7 +33,7 @@ class Zone extends \Flake\Core\FLObject {
         $this->sZone = $sZone;
     }
 
-    function addBlock(&$oBlock) {
+    function addBlock($oBlock) {
         $this->oZonableObject->addBlock(
             $oBlock,
             $this->sZone