diff --git a/src/openrct2-ui/windows/RideList.cpp b/src/openrct2-ui/windows/RideList.cpp
index 69c8155425..a8b79a2c8d 100644
--- a/src/openrct2-ui/windows/RideList.cpp
+++ b/src/openrct2-ui/windows/RideList.cpp
@@ -818,7 +818,7 @@ namespace OpenRCT2::Ui::Windows
                 const Ride* rideRhs = GetRide(rhs.Id);
                 if (rideLhs == nullptr || rideRhs == nullptr)
                 {
-                    return false;
+                    return rideLhs != nullptr;
                 }
                 return !pred(*rideLhs, *rideRhs);
             });