diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/sourcelookup/CSourceLocator.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/sourcelookup/CSourceLocator.java
index 099348f886b..b51ba79221d 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/sourcelookup/CSourceLocator.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/sourcelookup/CSourceLocator.java
@@ -89,6 +89,7 @@ public class CSourceLocator implements ICSourceLocator, IPersistableSourceLocato
 	{
 		setProject( project );
 		setReferencedProjects();
+		setSourceLocations( getDefaultSourceLocations() );
 	}
 
 	/* (non-Javadoc)