diff --git a/SWIG/Examples/python/import/base.h b/SWIG/Examples/python/import/base.h
index be3cdef7d..5a266f68c 100644
--- a/SWIG/Examples/python/import/base.h
+++ b/SWIG/Examples/python/import/base.h
@@ -3,7 +3,7 @@
 class Base {
  public:
      Base() { };
-    ~Base() { };
+     virtual ~Base() { };
      virtual void A() {
          printf("I'm Base::A\n");
      }
diff --git a/SWIG/Examples/python/import_template/base.h b/SWIG/Examples/python/import_template/base.h
index a56441e14..c755a6f9d 100644
--- a/SWIG/Examples/python/import_template/base.h
+++ b/SWIG/Examples/python/import_template/base.h
@@ -3,7 +3,7 @@
 template<class T> class Base {
  public:
      Base() { };
-    ~Base() { };
+     virtual ~Base() { };
      virtual void A() {
          printf("I'm Base::A\n");
      }