diff --git a/Roboter/tpe/exceptions/roboter/RobotFactory.java b/Roboter/tpe/exceptions/roboter/RobotFactory.java
index a0447e6..e623229 100644
--- a/Roboter/tpe/exceptions/roboter/RobotFactory.java
+++ b/Roboter/tpe/exceptions/roboter/RobotFactory.java
@@ -18,33 +18,33 @@ public class RobotFactory {
 		Robots robot;
 		
 		if(RobotType.R2D2==robotType) {
-			robot=new R2D2(name, createIDR2D2(0,9999));
+			robot=new R2D2(name, createIDR2D2(10000));
 			robotStock.put(robot.getId(), robot);
 			return robot.getId();
 		}
 		else  {
-			robot=new C3PO(name, createIDC3PO(10000, 19999));
+			robot=new C3PO(name, createIDC3PO(10000));
 			robotStock.put(robot.getId(), robot);
 			return robot.getId();
 		}
 					
 	}
 
-	private int createIDR2D2(int minValue, int maxValue) {
+	private int createIDR2D2(int value) {
 		
-		int randomID = (int) (Math.random()*(maxValue)) ;
+		int randomID = (int) (Math.random()*(value)) ;
 		if(robotStock.containsKey(randomID))
 		{
-			createIDR2D2(minValue,maxValue);
+			createIDR2D2(value);
 		}
 		return randomID;
 	}
-	private int createIDC3PO(int minValue, int maxValue) {
+	private int createIDC3PO(int value) {
 		
-		int randomID = (int) (Math.random()*(maxValue))+minValue ;
+		int randomID = (int) (Math.random()*(value))+value ;
 		if(robotStock.containsKey(randomID))
 		{
-			createIDC3PO(minValue,maxValue);
+			createIDC3PO(value);
 		}
 		return randomID;
 	}