diff --git a/keyboards/truestrike42/graphics/display.h b/keyboards/truestrike42/graphics/display.h
index 90219d0bf3a..fd73eeda506 100644
--- a/keyboards/truestrike42/graphics/display.h
+++ b/keyboards/truestrike42/graphics/display.h
@@ -1,4 +1,5 @@
 #pragma once
+#include <stdbool.h>
 
 void display_key_counter(void);
 void display_init_kb(void);