diff --git a/Extensions/Sprite.h b/Extensions/Sprite.h
index 51fc123..8e27259 100644
--- a/Extensions/Sprite.h
+++ b/Extensions/Sprite.h
@@ -49,6 +49,9 @@ class TFT_eSprite : public TFT_eSPI {
            // Get the color at the given palette index
   uint16_t getPaletteColor(uint8_t index);
 
+           // Set foreground and background colours for 1 bit per pixel Sprite
+  void     setBitmapColor(uint16_t fg, uint16_t bg);
+
   void     drawPixel(int32_t x, int32_t y, uint32_t color);
 
   void     drawChar(int32_t x, int32_t y, uint16_t c, uint32_t color, uint32_t bg, uint8_t font),