diff --git a/src/openrct2/scripting/ScMap.hpp b/src/openrct2/scripting/ScMap.hpp
index 2d8c9d097d..1b90ea0a8a 100644
--- a/src/openrct2/scripting/ScMap.hpp
+++ b/src/openrct2/scripting/ScMap.hpp
@@ -54,7 +54,7 @@ namespace OpenRCT2::Scripting
         std::shared_ptr<ScRide> getRide(int32_t id)
         {
             auto rideManager = GetRideManager();
-            if (id >= 0 && id < rideManager.size())
+            if (id >= 0 && id < static_cast<int32_t>(rideManager.size()))
             {
                 auto ride = rideManager[static_cast<ride_id_t>(id)];
                 if (ride != nullptr)