diff --git a/Roboterfabrik/src/Domäne/RobotFactory.java b/Roboterfabrik/src/Domäne/RobotFactory.java
index e35f2be..cb7ce8f 100644
--- a/Roboterfabrik/src/Domäne/RobotFactory.java
+++ b/Roboterfabrik/src/Domäne/RobotFactory.java
@@ -7,7 +7,7 @@ import tpe.exceptions.roboter.exceptions.RobotException;
 public class RobotFactory {
 private String name; 
 private Roboter pris = Nexus6.getInstance();
-private static HashMap <Integer, Roboter> roboterLager = new HashMap<>();
+private HashMap <Integer, Roboter> roboterLager = new HashMap<>();
 
 public RobotFactory (String name) {
 	this.name = name;
@@ -87,7 +87,7 @@ public RobotFactory (String name) {
 		return roboterLager.size();
 	}
 
-	public static boolean istDieserRoboterDa(int id) {
+	public boolean istDieserRoboterDa(int id) {
 		return roboterLager.containsKey(id);
 	}
 }
diff --git a/Roboterfabrik/src/facade/Factorysystem.java b/Roboterfabrik/src/facade/Factorysystem.java
index 2dafbac..266a01c 100644
--- a/Roboterfabrik/src/facade/Factorysystem.java
+++ b/Roboterfabrik/src/facade/Factorysystem.java
@@ -54,8 +54,8 @@ public class Factorysystem {
 		return robotFactory.datenDesRoboters(id);
 	}
 
-	public static boolean istDieserRoboterDa(int id) {
-		boolean istDa = RobotFactory.istDieserRoboterDa(id);
+	public boolean istDieserRoboterDa(int id) {
+		boolean istDa = robotFactory.istDieserRoboterDa(id);
 		return istDa;
 	}
 }
diff --git a/Roboterfabrik/src/ui/Factory.java b/Roboterfabrik/src/ui/Factory.java
index 275bc32..ba11e68 100644
--- a/Roboterfabrik/src/ui/Factory.java
+++ b/Roboterfabrik/src/ui/Factory.java
@@ -137,7 +137,7 @@ public class Factory {
 	}
 
 	private boolean istDieserRoboterDa(int id) {
-		boolean istDa = Factorysystem.istDieserRoboterDa(id);
+		boolean istDa = factorysystem.istDieserRoboterDa(id);
 		return istDa;
 	}