diff --git a/src/ch/zhaw/catan/SiedlerGame.java b/src/ch/zhaw/catan/SiedlerGame.java
index 9f5c04f..6f488ad 100644
--- a/src/ch/zhaw/catan/SiedlerGame.java
+++ b/src/ch/zhaw/catan/SiedlerGame.java
@@ -315,8 +315,8 @@ public class SiedlerGame {
             return false;
         }
         //2. Check if Settlement has already been built
-        Settlement atCurrentPosition = board.getCorner(position); //todo prüfen ob Siedlung von richtiger Faction und nicht Stadt
-        if (atCurrentPosition == null || atCurrentPosition.getFaction() != allPlayers.get(activePlayer).getFaction()){
+        Settlement atCurrentPosition = board.getCorner(position);
+        if (atCurrentPosition == null || atCurrentPosition instanceof City || atCurrentPosition.getFaction() != allPlayers.get(activePlayer).getFaction()){
             return false;
         }
         //3. Can player build a City.