diff --git a/uebung03/src/graph/Graph.java b/uebung03/src/graph/Graph.java
index 925951d..2cd0df4 100644
--- a/uebung03/src/graph/Graph.java
+++ b/uebung03/src/graph/Graph.java
@@ -3,7 +3,7 @@ package graph;
 import java.util.ArrayList;
 
 public class Graph {
-    private ArrayList<Node> nodes;
+    private ArrayList<Node> nodes = new ArrayList<>();
 
     public ArrayList<Node> getNodes() {
         return nodes;