diff --git a/Src/main.c b/Src/main.c
index faede82..a5e8342 100644
--- a/Src/main.c
+++ b/Src/main.c
@@ -48,6 +48,7 @@
 #include "GUI_Paint.h"
 #include "ImageData.h"
 #include <stdlib.h>
+#include <stdbool.h>
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/