diff --git a/cocos/renderer/CCMaterial.cpp b/cocos/renderer/CCMaterial.cpp
index 06a618b957..dfd60b66e4 100644
--- a/cocos/renderer/CCMaterial.cpp
+++ b/cocos/renderer/CCMaterial.cpp
@@ -442,6 +442,10 @@ Material* Material::clone() const
         for (const auto& technique: _techniques)
         {
             auto t = technique->clone();
+            t->_parent = material;
+            for (ssize_t i = 0; i < t->getPassCount(); i++) {
+                t->getPassByIndex(i)->_parent = t;
+            }
             material->_techniques.pushBack(t);
         }