diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIArgument.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIArgument.java
index a9e5a380904..4967bd0bba5 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIArgument.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/cdi/model/ICDIArgument.java
@@ -12,5 +12,5 @@ package org.eclipse.cdt.debug.core.cdi.model;
  * 
  * @since Jul 22, 2002
  */
-public interface ICDIArgument extends ICDIVariable {
+public interface ICDIArgument extends ICDIVariable, ICDIArgumentObject {
 }