diff --git a/plugins/org.eclipse.wst.validation.ui/validateui/org/eclipse/wst/validation/internal/ui/ValidationMenuAction.java b/plugins/org.eclipse.wst.validation.ui/validateui/org/eclipse/wst/validation/internal/ui/ValidationMenuAction.java
index 628553e..fea3e93 100644
--- a/plugins/org.eclipse.wst.validation.ui/validateui/org/eclipse/wst/validation/internal/ui/ValidationMenuAction.java
+++ b/plugins/org.eclipse.wst.validation.ui/validateui/org/eclipse/wst/validation/internal/ui/ValidationMenuAction.java
@@ -229,6 +229,8 @@
 	
 	private void addVisitor(IProject selected) {
 		// add the folder and its children
+		if( !selected.isAccessible() )
+			return;
 		try {
 			selected.accept(getProjectVisitor());
 		} catch (CoreException exc) {