diff --git a/src/openrct2/config/IniWriter.hpp b/src/openrct2/config/IniWriter.hpp
index 6fe3d20062..31624ec3d6 100644
--- a/src/openrct2/config/IniWriter.hpp
+++ b/src/openrct2/config/IniWriter.hpp
@@ -31,6 +31,8 @@ interface IIniWriter
 
     template<typename T> void WriteEnum(const std::string& name, T value, const IConfigEnum<T>& configEnum)
     {
+        static_assert(sizeof(T) <= sizeof(int32_t), "Type too large");
+
         std::string key = configEnum.GetName(value);
         if (key.empty())
         {