diff --git a/components/esm/luascripts.hpp b/components/esm/luascripts.hpp
index d552b07c16..2a6bf0dbb1 100644
--- a/components/esm/luascripts.hpp
+++ b/components/esm/luascripts.hpp
@@ -2,6 +2,7 @@
 #define OPENMW_ESM_LUASCRIPTS_H
 
 #include <components/esm/refid.hpp>
+#include <cstdint>
 #include <string>
 #include <vector>