--- a/CorsixTH/Src/th_lua_map.cpp
+++ b/CorsixTH/Src/th_lua_map.cpp
@@ -26,6 +26,7 @@ SOFTWARE.
 #include <cstring>
 #include <string>
 #include <exception>
+#include <stdexcept> /* std::out_of_range */
 
 static const int player_max = 4;