diff --git a/Marlin/types.h b/Marlin/types.h
index e4f4ce197f..8d4a0bd04c 100644
--- a/Marlin/types.h
+++ b/Marlin/types.h
@@ -23,6 +23,8 @@
 #ifndef __TYPES_H__
 #define __TYPES_H__
 
+#include <stdint.h>
+
 typedef unsigned long millis_t;
 
 typedef struct {