diff --git a/include/ISceneNode.h b/include/ISceneNode.h
index 4f18cc9..18c5bff 100644
--- a/include/ISceneNode.h
+++ b/include/ISceneNode.h
@@ -95,7 +95,7 @@ namespace scene
 		{
 			if (IsVisible)
 			{
-				ISceneNodeList::Iterator it = Children.begin();
+				ISceneNodeList::ConstIterator it = Children.begin();
 				for (; it != Children.end(); ++it)
 					(*it)->OnRegisterSceneNode();
 			}
@@ -114,7 +114,7 @@ namespace scene
 			{
 				// animate this node with all animators
 
-				ISceneNodeAnimatorList::Iterator ait = Animators.begin();
+				ISceneNodeAnimatorList::ConstIterator ait = Animators.begin();
 				while (ait != Animators.end())
 					{
 					// continue to the next node before calling animateNode()
@@ -133,7 +133,7 @@ namespace scene
 
 				// perform the post render process on all children
 
-				ISceneNodeList::Iterator it = Children.begin();
+				ISceneNodeList::ConstIterator it = Children.begin();
 				for (; it != Children.end(); ++it)
 					(*it)->OnAnimate(timeMs);
 			}
@@ -829,7 +829,7 @@ namespace scene
 
 			// clone children
 
-			ISceneNodeList::Iterator it = toCopyFrom->Children.begin();
+			ISceneNodeList::ConstIterator it = toCopyFrom->Children.begin();
 			for (; it != toCopyFrom->Children.end(); ++it)
 				(*it)->clone(this, newManager);
 
diff --git a/tests/tests-last-passed-at.txt b/tests/tests-last-passed-at.txt
index a9358f5..05ac709 100644
--- a/tests/tests-last-passed-at.txt
+++ b/tests/tests-last-passed-at.txt
@@ -1,4 +1,4 @@
 Tests finished. 72 tests of 72 passed.
 Compiled as DEBUG
-Test suite pass at GMT Tue May 02 15:59:37 2023
+Test suite pass at GMT Tue May 02 18:39:02 2023