diff --git a/testing/cxxtest/cxxtest_main.cxx b/testing/cxxtest/cxxtest_main.cxx
index 60037f80d..6baa7d3b1 100644
--- a/testing/cxxtest/cxxtest_main.cxx
+++ b/testing/cxxtest/cxxtest_main.cxx
@@ -56,7 +56,8 @@ using namespace std;
 class Base
 {
 public:
-  virtual void printBase(void) {};
+  virtual void printBase(void) {}
+  virtual ~Base() {}
 };
 
 class Extend : public Base