diff --git a/ssd1306.h b/ssd1306.h
--- a/ssd1306.h
+++ b/ssd1306.h
@@ -12,5 +12,6 @@ unsigned long SSD1303_TurnOn(void);
 unsigned char SSD1303_SetContrast(unsigned char contrast);
 unsigned char SSD1303_GetContrast();
 unsigned char* SSD1303_GetBuffer();
+unsigned long SSD1303_DrawPoint(Pos_t x, Pos_t y, Color_t color);
 
 #endif