diff --git a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIStack.java b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIStack.java
index fecba9603f9..9730c0bcf7e 100644
--- a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIStack.java
+++ b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIStack.java
@@ -641,6 +641,8 @@ public class MIStack extends AbstractDsfService
     
     @DsfServiceEventHandler 
     public void eventDispatched(IMIDMEvent e) {
+        // Note: the e.getMIEvent() is cast to an object as a workaround
+        // for a compiler error generated by javac (bug 240997).
         Object miEvent = e.getMIEvent();
     	if (miEvent instanceof MIStoppedEvent) {
     		fCachedStoppedEvent = (MIStoppedEvent)miEvent;