1 files changed, 6 insertions, 2 deletions
diff --git a/platform/default/mbgl/tile/default_tile_feature.hpp b/platform/default/mbgl/tile/default_tile_feature.hpp
index 9183fd583a..417bb8c637 100644
--- a/platform/default/mbgl/tile/default_tile_feature.hpp
+++ b/platform/default/mbgl/tile/default_tile_feature.hpp
@@ -29,13 +29,17 @@ public:
         return id;
     }
 
-    optional<Value> getValue(const std::string& key) const override {
-        return properties.count(key) ? properties.at(key) : optional<Value>();
+    Value getValue(const std::string& key) const override {
+        return properties.count(key) ? properties.at(key) : NullValue();
     }
 
     GeometryCollection getGeometries() const override {
         return geometry;
     }
+
+    const PropertyMap& getProperties() const override {
+        return properties;
+    }
 };
 
 } // namespace mbgl