diff --git a/plugins/org.eclipse.dd.dsf/src/org/eclipse/dd/dsf/concurrent/DefaultDsfExecutor.java b/plugins/org.eclipse.dd.dsf/src/org/eclipse/dd/dsf/concurrent/DefaultDsfExecutor.java
index 7c60e3b3611..d370bee27b3 100644
--- a/plugins/org.eclipse.dd.dsf/src/org/eclipse/dd/dsf/concurrent/DefaultDsfExecutor.java
+++ b/plugins/org.eclipse.dd.dsf/src/org/eclipse/dd/dsf/concurrent/DefaultDsfExecutor.java
@@ -167,6 +167,8 @@ public class DefaultDsfExecutor extends ScheduledThreadPoolExecutor
          */
         TracingWrapper(int offset) {
             StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
+            // guard against the offset being greater than the stack trace
+            offset = Math.min(offset, stackTrace.length);
             fSubmittedAt = new StackTraceWrapper(new StackTraceElement[stackTrace.length - offset]); 
             System.arraycopy(stackTrace, offset - 1, fSubmittedAt.fStackTraceElements, 0, fSubmittedAt.fStackTraceElements.length);
             if (isInExecutorThread() &&  fCurrentlyExecuting != null) {