diff --git a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/disassembly/viewer/VirtualDocument.java b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/disassembly/viewer/VirtualDocument.java
index 0bc9ed808a5..8f76504d5bc 100644
--- a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/disassembly/viewer/VirtualDocument.java
+++ b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/disassembly/viewer/VirtualDocument.java
@@ -36,6 +36,7 @@ public class VirtualDocument extends Document {
         fPresentationContext = presentationContext;
         fAnnotationModel = annotationModel;
         fContentProvider = new DocumentContentProvider( this );
+        getContentProvider().init( fRoot );
     }
 
     public void dispose() {