diff -udHrN -- a/rtengine/dcraw.h b/rtengine/dcraw.h
--- a/rtengine/dcraw.h	2022-11-27 19:04:23.000000000 +0100
+++ b/rtengine/dcraw.h	2023-06-24 09:32:31.740097067 +0100
@@ -19,6 +19,8 @@
 
 #pragma once
 
+#include <cstdint>
+
 #include "myfile.h"
 #include <csetjmp>