diff --git a/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/ui/viewmodel/IVMEventListener.java b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/ui/viewmodel/IVMEventListener.java
index ad0fe61abf4..b118a372451 100644
--- a/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/ui/viewmodel/IVMEventListener.java
+++ b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/ui/viewmodel/IVMEventListener.java
@@ -12,6 +12,7 @@ package org.eclipse.cdt.dsf.ui.viewmodel;
 
 import java.util.concurrent.Executor;
 
+import org.eclipse.cdt.dsf.concurrent.ConfinedToDsfExecutor;
 import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
 
 /**
@@ -19,6 +20,7 @@ import org.eclipse.cdt.dsf.concurrent.RequestMonitor;
  * 
  * @since 1.1
  */
+@ConfinedToDsfExecutor("#getExecutor()")
 public interface IVMEventListener {
 
     /**