diff --git a/shapes/Shape.cc b/shapes/Shape.cc
index d6adadd..ce0a346 100755
--- a/shapes/Shape.cc
+++ b/shapes/Shape.cc
@@ -1,8 +1,12 @@
-
-#include "Shape.h"
-
-Shape::Shape()
-{
-    m_transparency = 0.0;
-    m_material = new Material(Material::white);
-}
+
+#include "Shape.h"
+
+Shape::Shape()
+{
+    m_transparency = 0.0;
+    m_material = new Material(Material::white);
+}
+
+Shape::~Shape()
+{
+}
diff --git a/shapes/Shape.h b/shapes/Shape.h
index d072c03..7d4cf67 100644
--- a/shapes/Shape.h
+++ b/shapes/Shape.h
@@ -16,6 +16,7 @@ class Shape
         typedef std::vector<Vector> IntersectList;
 
         Shape();
+        virtual ~Shape();
         virtual IntersectList intersect(const Ray & ray) = 0;
         virtual Vector getNormalAt(const Vector & pt) = 0;