diff --git a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/CastToTypeActionDelegate.java b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/CastToTypeActionDelegate.java
index 5a5529cd4f9..c93598cd56f 100644
--- a/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/CastToTypeActionDelegate.java
+++ b/debug/org.eclipse.cdt.debug.ui/src/org/eclipse/cdt/debug/internal/ui/actions/CastToTypeActionDelegate.java
@@ -32,7 +32,7 @@ import org.eclipse.ui.actions.ActionDelegate;
 public class CastToTypeActionDelegate extends ActionDelegate
 									  implements IObjectActionDelegate
 {
-	protected class CastToTypeInputValidator implements IInputValidator
+	static protected class CastToTypeInputValidator implements IInputValidator
 	{
 		public CastToTypeInputValidator()
 		{