diff --git a/src/Oro/Component/Layout/LayoutFactoryBuilder.php b/src/Oro/Component/Layout/LayoutFactoryBuilder.php
index 949bce2a200..09994d10748 100644
--- a/src/Oro/Component/Layout/LayoutFactoryBuilder.php
+++ b/src/Oro/Component/Layout/LayoutFactoryBuilder.php
@@ -167,7 +167,7 @@ public function getLayoutFactory()
         // initialize extension manager
         $registry = new LayoutRegistry();
         foreach ($this->extensions as $extension) {
-            $registry->addExtension($extension);
+            $registry->addExtension(clone $extension);
         }
         if (!empty($this->types) || !empty($this->typeExtensions) || !empty($this->layoutUpdates)) {
             $registry->addExtension(