diff --git a/Extensions/Sprite.h b/Extensions/Sprite.h
index 74ba6b2..af7153c 100644
--- a/Extensions/Sprite.h
+++ b/Extensions/Sprite.h
@@ -17,7 +17,7 @@ class TFT_eSprite : public TFT_eSPI {
            //  - 1 bit per pixel for 1 bit colour depth
            //  - 1 byte per pixel for 8 bit colour
            //  - 2 bytes per pixel for 16 bit color depth
-  ~TFT_eSprite(void);
+  virtual ~TFT_eSprite(void);
 
   void*    createSprite(int16_t width, int16_t height, uint8_t frames = 1);