diff --git a/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/DefaultReporterImpl.java b/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/DefaultReporterImpl.java
index 23ff9ba8..181d0bdd 100644
--- a/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/DefaultReporterImpl.java
+++ b/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/DefaultReporterImpl.java
@@ -41,7 +41,7 @@ public abstract class DefaultReporterImpl implements Reporter {
 	/**
 	 * Used to buffer reports when startBufferReports is called
 	 */
-	protected ArrayList<ReportElement> reportsBuffer = null;
+	protected List<ReportElement> reportsBuffer = null;
 
 	protected boolean buffering = false;
 
diff --git a/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/ListenerstManager.java b/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/ListenerstManager.java
index 77cecb42..89e8119d 100644
--- a/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/ListenerstManager.java
+++ b/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/ListenerstManager.java
@@ -8,6 +8,7 @@
 import java.io.FileWriter;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -364,7 +365,7 @@ public void startLevel(String level, int place) throws IOException {
 		}
 		if (buffering) {
 			if (reportsBuffer == null) {
-				reportsBuffer = new ArrayList<ReportElement>();
+				reportsBuffer = Collections.synchronizedList(new ArrayList<ReportElement>());
 			}
 			ReportElement re = new ReportElement();
 			re.setTitle(level);
@@ -384,7 +385,7 @@ public void stopLevel() throws IOException {
 		}
 		if (buffering) {
 			if (reportsBuffer == null) {
-				reportsBuffer = new ArrayList<ReportElement>();
+				reportsBuffer = Collections.synchronizedList(new ArrayList<ReportElement>());
 			}
 			ReportElement re = new ReportElement();
 			re.setOriginator(Thread.currentThread().getName());
@@ -514,7 +515,7 @@ public synchronized void report(String title, String message, int status,
 		}
 		if (buffering) {
 			if (reportsBuffer == null) {
-				reportsBuffer = new ArrayList<ReportElement>();
+				reportsBuffer = Collections.synchronizedList(new ArrayList<ReportElement>());
 			}
 			ReportElement currentReportElement = new ReportElement();
 			currentReportElement.setTitle(title);
diff --git a/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/RunnerListenersManager.java b/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/RunnerListenersManager.java
index cde33d57..efa1a5e5 100644
--- a/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/RunnerListenersManager.java
+++ b/jsystem-core-projects/jsystemCore/src/main/java/jsystem/framework/report/RunnerListenersManager.java
@@ -15,6 +15,7 @@
 import java.io.OutputStream;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Properties;
 import java.util.StringTokenizer;
 import java.util.Vector;
@@ -1289,7 +1290,7 @@ public void startLevel(String level, int place) throws IOException {
 		}
 		if (buffering) {
 			if (reportsBuffer == null) {
-				reportsBuffer = new ArrayList<ReportElement>();
+				reportsBuffer = Collections.synchronizedList(new ArrayList<ReportElement>());
 			}
 			ReportElement re = new ReportElement();
 			re.setTitle(level);
@@ -1335,7 +1336,7 @@ public void stopLevel() throws IOException {
 		}
 		if (buffering) {
 			if (reportsBuffer == null) {
-				reportsBuffer = new ArrayList<ReportElement>();
+				reportsBuffer = Collections.synchronizedList(new ArrayList<ReportElement>());
 			}
 			ReportElement currentReportElement = new ReportElement();
 			currentReportElement.setOriginator(Thread.currentThread().getName());
@@ -1364,7 +1365,7 @@ public synchronized void report(String title, String message, int status, boolea
 
 		if (buffering && !step) {
 			if (reportsBuffer == null) {
-				reportsBuffer = new ArrayList<ReportElement>();
+				reportsBuffer = Collections.synchronizedList(new ArrayList<ReportElement>());
 			}
 			ReportElement newReportElementInstance = new ReportElement();
 			newReportElementInstance.setTitle(title);