diff --git a/Inc/lookup_tables.h b/Inc/lookup_tables.h
index 813ffe52..341a92ab 100644
--- a/Inc/lookup_tables.h
+++ b/Inc/lookup_tables.h
@@ -7,6 +7,7 @@
 
 #pragma once
 
+#include <stdint.h>
 
 typedef enum {
     SCALE_TYPE_INT8 = 0,