diff --git a/src/openrct2/rct2/SeaDecrypt.cpp b/src/openrct2/rct2/SeaDecrypt.cpp
index 89b427edf4..0934e290cd 100644
--- a/src/openrct2/rct2/SeaDecrypt.cpp
+++ b/src/openrct2/rct2/SeaDecrypt.cpp
@@ -13,6 +13,7 @@
 #include "RCT2.h"
 
 #include <cstdint>
+#include <cstring>
 #include <memory>
 #include <string_view>