diff --git a/Source/utils/format_int.cpp b/Source/utils/format_int.cpp
index 7f09bf493..8fffe6ebf 100644
--- a/Source/utils/format_int.cpp
+++ b/Source/utils/format_int.cpp
@@ -1,5 +1,6 @@
 #include "utils/format_int.hpp"
 
+#include <cstdint>
 #include <string_view>
 
 #include "utils/language.h"