diff --git a/src/openrct2/ride/Ride.cpp b/src/openrct2/ride/Ride.cpp
index c59fe8d7b2..60c3d42e7d 100644
--- a/src/openrct2/ride/Ride.cpp
+++ b/src/openrct2/ride/Ride.cpp
@@ -182,7 +182,7 @@ ride_id_t GetNextFreeRideId()
             break;
         }
     }
-    if (result >= RIDE_ID_NULL)
+    if (result >= MAX_RIDES)
     {
         return RIDE_ID_NULL;
     }