diff --git a/ressources/Agents/wolfAndSheep.csv b/ressources/Agents/wolfAndSheep.csv
index e69de29..5552354 100644
--- a/ressources/Agents/wolfAndSheep.csv
+++ b/ressources/Agents/wolfAndSheep.csv
@@ -0,0 +1,2 @@
+52,28;25,33;54,60;70,39;36,41
+27,27;62,48;38,63;23,39;74,74
diff --git a/src/backend/Simulator.java b/src/backend/Simulator.java
index 4773c7b..b37ccb4 100644
--- a/src/backend/Simulator.java
+++ b/src/backend/Simulator.java
@@ -649,13 +649,17 @@ public class Simulator extends Thread {
 		//iterate through the agents arraylist
 		for(Agent agent : agents){
 			if(agent instanceof Sheep) {
-				listSheep = listSheep + agent.getX() + "," + agent.getY() + ";";
+				if (listSheep != "") listSheep = listSheep + ";";
+				listSheep = listSheep + agent.getX() + "," + agent.getY();
 			}else if (agent instanceof Wolf) {
-				listWolf = listWolf + agent.getX() + "," + agent.getY() + ";";
+				if (listWolf != "") listWolf = listWolf + ";";
+				listWolf = listWolf + agent.getX() + "," + agent.getY();
 			}
 		}
 		agentSave.add(listSheep);
+		System.out.println("listSheep: " + listSheep);
 		agentSave.add(listWolf);
+		System.out.println("listWolf: " + listWolf);
 		return agentSave;
 	}
 
diff --git a/src/windowInterface/MyInterface.java b/src/windowInterface/MyInterface.java
index 59a8c24..2ab023a 100644
--- a/src/windowInterface/MyInterface.java
+++ b/src/windowInterface/MyInterface.java
@@ -363,7 +363,7 @@ public class MyInterface extends JFrame {
 		String fileName=SelectFile();
 		if (fileName.length()>0) {
 			ArrayList<String> content = mySimu.getAgentsSave();
-			writeFile(fileName, (String[]) content.toArray());
+			writeFile(fileName, content.toArray(new String[0]));
 		}
 	}