diff --git a/src/openrct2/ride/TrackData.cpp b/src/openrct2/ride/TrackData.cpp
index 26ce6305d4..8d6969247d 100644
--- a/src/openrct2/ride/TrackData.cpp
+++ b/src/openrct2/ride/TrackData.cpp
@@ -6156,8 +6156,8 @@ static constexpr uint32_t TrackFlags[] = {
     /* TrackElemType::RightFlyerCorkscrewDown                       */   TRACK_ELEM_FLAG_DOWN | TRACK_ELEM_FLAG_INVERSION_TO_NORMAL,
     /* TrackElemType::HeartLineTransferUp                           */   0,
     /* TrackElemType::HeartLineTransferDown                         */   0,
-    /* TrackElemType::LeftHeartLineRoll                             */   TRACK_ELEM_FLAG_NORMAL_TO_INVERSION | TRACK_ELEM_FLAG_INVERSION_TO_NORMAL,
-    /* TrackElemType::RightHeartLineRoll                            */   TRACK_ELEM_FLAG_NORMAL_TO_INVERSION | TRACK_ELEM_FLAG_INVERSION_TO_NORMAL,
+    /* TrackElemType::LeftHeartLineRoll                             */   TRACK_ELEM_FLAG_NORMAL_TO_INVERSION | TRACK_ELEM_FLAG_INVERSION_TO_NORMAL | TRACK_ELEM_FLAG_CAN_BE_PARTLY_UNDERGROUND,
+    /* TrackElemType::RightHeartLineRoll                            */   TRACK_ELEM_FLAG_NORMAL_TO_INVERSION | TRACK_ELEM_FLAG_INVERSION_TO_NORMAL | TRACK_ELEM_FLAG_CAN_BE_PARTLY_UNDERGROUND,
     /* TrackElemType::MinigolfHoleA                                 */   TRACK_ELEM_FLAG_IS_GOLF_HOLE,
     /* TrackElemType::MinigolfHoleB                                 */   TRACK_ELEM_FLAG_IS_GOLF_HOLE,
     /* TrackElemType::MinigolfHoleC                                 */   TRACK_ELEM_FLAG_IS_GOLF_HOLE,