diff --git a/src/openrct2/scripting/ScriptEngine.h b/src/openrct2/scripting/ScriptEngine.h
index ddc66ea224..530644349d 100644
--- a/src/openrct2/scripting/ScriptEngine.h
+++ b/src/openrct2/scripting/ScriptEngine.h
@@ -47,7 +47,7 @@ namespace OpenRCT2
 
 namespace OpenRCT2::Scripting
 {
-    static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 79;
+    static constexpr int32_t OPENRCT2_PLUGIN_API_VERSION = 80;
 
     // Versions marking breaking changes.
     static constexpr int32_t API_VERSION_33_PEEP_DEPRECATION = 33;
diff --git a/src/openrct2/scripting/bindings/world/ScTileElement.cpp b/src/openrct2/scripting/bindings/world/ScTileElement.cpp
index 17f7072ac4..4eb6f23553 100644
--- a/src/openrct2/scripting/bindings/world/ScTileElement.cpp
+++ b/src/openrct2/scripting/bindings/world/ScTileElement.cpp
@@ -1422,6 +1422,12 @@ namespace OpenRCT2::Scripting
         auto* ctx = scriptEngine.GetContext();
         switch (_element->GetType())
         {
+            case TileElementType::SmallScenery:
+            {
+                auto* el = _element->AsSmallScenery();
+                duk_push_int(ctx, el->GetTertiaryColour());
+                break;
+            }
             case TileElementType::LargeScenery:
             {
                 auto* el = _element->AsLargeScenery();
@@ -1447,6 +1453,13 @@ namespace OpenRCT2::Scripting
         ThrowIfGameStateNotMutable();
         switch (_element->GetType())
         {
+            case TileElementType::SmallScenery:
+            {
+                auto* el = _element->AsSmallScenery();
+                el->SetTertiaryColour(value);
+                Invalidate();
+                break;
+            }
             case TileElementType::LargeScenery:
             {
                 auto* el = _element->AsLargeScenery();
@@ -2049,6 +2062,8 @@ namespace OpenRCT2::Scripting
         dukglue_register_property(ctx, &ScTileElement::primaryColour_get, &ScTileElement::primaryColour_set, "primaryColour");
         dukglue_register_property(
             ctx, &ScTileElement::secondaryColour_get, &ScTileElement::secondaryColour_set, "secondaryColour");
+        dukglue_register_property(
+            ctx, &ScTileElement::tertiaryColour_get, &ScTileElement::tertiaryColour_set, "tertiaryColour");
 
         // Wall | Large Scenery | Banner
         dukglue_register_property(ctx, &ScTileElement::bannerIndex_get, &ScTileElement::bannerIndex_set, "bannerIndex");
@@ -2117,10 +2132,6 @@ namespace OpenRCT2::Scripting
         dukglue_register_property(ctx, &ScTileElement::age_get, &ScTileElement::age_set, "age");
         dukglue_register_property(ctx, &ScTileElement::quadrant_get, &ScTileElement::quadrant_set, "quadrant");
 
-        // Wall only
-        dukglue_register_property(
-            ctx, &ScTileElement::tertiaryColour_get, &ScTileElement::tertiaryColour_set, "tertiaryColour");
-
         // Entrance only
         dukglue_register_property(
             ctx, &ScTileElement::footpathObject_get, &ScTileElement::footpathObject_set, "footpathObject");