diff --git a/src/newgrf_object.cpp b/src/newgrf_object.cpp
--- a/src/newgrf_object.cpp
+++ b/src/newgrf_object.cpp
@@ -352,7 +352,7 @@ unhandled:
  */
 ObjectResolverObject::ObjectResolverObject(const ObjectSpec *spec, Object *obj, TileIndex tile, uint8 view,
 		CallbackID callback, uint32 param1, uint32 param2)
-	: ResolverObject(spec->grf_prop.grffile, callback, param1, param2), object_scope(*this, obj, tile, view)
+	: ResolverObject(spec->grf_prop.grffile, callback, param1, param2), object_scope(*this, obj, spec, tile, view)
 {
 	this->town_scope = nullptr;
 	this->root_spritegroup = (obj == nullptr && spec->grf_prop.spritegroup[CT_PURCHASE_OBJECT] != nullptr) ?
@@ -384,6 +384,16 @@ TownScopeResolver *ObjectResolverObject:
 	return this->town_scope;
 }
 
+GrfSpecFeature ObjectResolverObject::GetFeature() const
+{
+	return GSF_OBJECTS;
+}
+
+uint32 ObjectResolverObject::GetDebugID() const
+{
+	return this->object_scope.spec->grf_prop.local_id;
+}
+
 /**
  * Perform a callback for an object.
  * @param callback The callback to perform.