diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/actions/DeleteResConfigsAction.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/actions/DeleteResConfigsAction.java
index 88eff7671df..db385d1584d 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/actions/DeleteResConfigsAction.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/ui/actions/DeleteResConfigsAction.java
@@ -57,6 +57,7 @@ implements IWorkbenchWindowPulldownDelegate2, IObjectActionDelegate {
 
 	public void selectionChanged(IAction action, ISelection selection) {
 		objects = null;
+		outData = null;
 		
 		if (!selection.isEmpty()) {
 	    	// case for context menu