diff --git a/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/sourcelookup/DsfSourceLookupDirector.java b/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/sourcelookup/DsfSourceLookupDirector.java
index d4e1fd48360..ac0a1f4a2d0 100644
--- a/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/sourcelookup/DsfSourceLookupDirector.java
+++ b/plugins/org.eclipse.dd.dsf.debug/src/org/eclipse/dd/dsf/debug/sourcelookup/DsfSourceLookupDirector.java
@@ -32,6 +32,7 @@ public class DsfSourceLookupDirector extends CSourceLookupDirector {
 	 */
 	@Override
     public void initializeParticipants() {
+	    super.initializeParticipants();
 		addParticipants( new ISourceLookupParticipant[]{ new DsfSourceLookupParticipant(fSession) } );
 	}