diff --git a/Source/cmakewizard.h b/Source/cmakewizard.h
index 5dc7a9220..ec79c5236 100644
--- a/Source/cmakewizard.h
+++ b/Source/cmakewizard.h
@@ -22,7 +22,7 @@ class cmakewizard
 {
 public:
   cmakewizard();
-  ~cmakewizard() {}
+  virtual ~cmakewizard() {}
   /** 
    * Prompt the user to see if they want to see advanced entries.
    */