diff --git a/ws2012/P2P/uebungen/4/src/node/Node.java b/ws2012/P2P/uebungen/4/src/node/Node.java
index 8e9207eb..54952ece 100644
--- a/ws2012/P2P/uebungen/4/src/node/Node.java
+++ b/ws2012/P2P/uebungen/4/src/node/Node.java
@@ -281,9 +281,7 @@ public class Node {
     protected boolean addNeighbor(SocketAddress newNeighbor) {
         if (!hasNeighbor(newNeighbor)) {
             neighbors.add(newNeighbor);
-
             network.get(getName()).add(newNeighbor.toString());
-
             return true;
         }
         return false;
@@ -301,6 +299,7 @@ public class Node {
         int idToRemove = getNeighborId(node);
         if (idToRemove != -1) {
             removed = neighbors.remove(idToRemove);
+            network.get(getName()).remove(node.toString());
         }
 
         return removed != null;