diff --git a/src/openrct2/paint/Supports.h b/src/openrct2/paint/Supports.h
index ac9365c47b..4f7a79d928 100644
--- a/src/openrct2/paint/Supports.h
+++ b/src/openrct2/paint/Supports.h
@@ -42,6 +42,11 @@ enum class WoodenSupportTransitionType : uint8_t
     Up25DegToUp60Deg = 3,
     Up60DegToUp25Deg = 4,
     Up60Deg = 5,
+    FlatToUp60Deg = 7,
+    Up60DegToFlat = 8,
+    FlatToUp25DegRailway = 9,
+    Up25DegToFlatRailway = 10,
+    Up25DegRailway = 11,
     Scenery = 12,
 };