diff --git a/src/graphnode.cpp b/src/graphnode.cpp
index 6d82240f..eea4b5f8 100644
--- a/src/graphnode.cpp
+++ b/src/graphnode.cpp
@@ -35,10 +35,10 @@ void GraphNode::AddEdgeToChildNode(std::unique_ptr<GraphEdge> edge)
 
 //// STUDENT CODE
 ////
-void GraphNode::MoveChatbotHere(ChatBot *chatbot)
+void GraphNode::MoveChatbotHere(ChatBot chatbot)
 {
     _chatBot = std::move(chatbot);
-    _chatBot->SetCurrentNode(this);
+    _chatBot.SetCurrentNode(this);
 }
 
 void GraphNode::MoveChatbotToNewNode(GraphNode *newNode)
diff --git a/src/graphnode.h b/src/graphnode.h
index 46302316..857c2d05 100644
--- a/src/graphnode.h
+++ b/src/graphnode.h
@@ -21,7 +21,7 @@ class GraphNode
 
     // data handles (not owned)
     std::vector<GraphEdge *> _parentEdges; // edges to preceding nodes 
-    ChatBot *_chatBot;
+    ChatBot _chatBot;
 
     ////
     //// EOF STUDENT CODE
@@ -50,7 +50,7 @@ class GraphNode
     //// STUDENT CODE
     ////
 
-    void MoveChatbotHere(ChatBot *chatbot);
+    void MoveChatbotHere(ChatBot chatbot);
 
     ////
     //// EOF STUDENT CODE