2 files changed, 7 insertions, 14 deletions
diff --git a/src/mbgl/style/sources/custom_geometry_source_impl.cpp b/src/mbgl/style/sources/custom_geometry_source_impl.cpp
index 67d52bdc24..95da377277 100644
--- a/src/mbgl/style/sources/custom_geometry_source_impl.cpp
+++ b/src/mbgl/style/sources/custom_geometry_source_impl.cpp
@@ -4,27 +4,20 @@
 namespace mbgl {
 namespace style {
 
-CustomGeometrySource::Impl::Impl(std::string id_,
-                               const CustomGeometrySource::Options options)
+CustomGeometrySource::Impl::Impl(std::string id_, CustomGeometrySource::Options options)
     : Source::Impl(SourceType::CustomVector, std::move(id_)),
-      tileOptions(options.tileOptions),
+      tileOptions(makeMutable<CustomGeometrySource::TileOptions>(options.tileOptions)),
       zoomRange(options.zoomRange),
-      loaderRef({}) {
-}
+      loaderRef({}) {}
 
 CustomGeometrySource::Impl::Impl(const Impl& impl, ActorRef<CustomTileLoader> loaderRef_)
-    : Source::Impl(impl),
-    tileOptions(impl.tileOptions),
-    zoomRange(impl.zoomRange),
-    loaderRef(loaderRef_){
-    
-}
+    : Source::Impl(impl), tileOptions(impl.tileOptions), zoomRange(impl.zoomRange), loaderRef(loaderRef_) {}
 
 optional<std::string> CustomGeometrySource::Impl::getAttribution() const {
     return {};
 }
 
-CustomGeometrySource::TileOptions CustomGeometrySource::Impl::getTileOptions() const {
+Immutable<CustomGeometrySource::TileOptions> CustomGeometrySource::Impl::getTileOptions() const {
     return tileOptions;
 }
 
diff --git a/src/mbgl/style/sources/custom_geometry_source_impl.hpp b/src/mbgl/style/sources/custom_geometry_source_impl.hpp
index ce7187202d..1ae77b02ec 100644
--- a/src/mbgl/style/sources/custom_geometry_source_impl.hpp
+++ b/src/mbgl/style/sources/custom_geometry_source_impl.hpp
@@ -15,12 +15,12 @@ public:
 
     optional<std::string> getAttribution() const final;
 
-    CustomGeometrySource::TileOptions getTileOptions() const;
+    Immutable<CustomGeometrySource::TileOptions> getTileOptions() const;
     Range<uint8_t> getZoomRange() const;
     optional<ActorRef<CustomTileLoader>> getTileLoader() const;
 
 private:
-    CustomGeometrySource::TileOptions tileOptions;
+    Immutable<CustomGeometrySource::TileOptions> tileOptions;
     Range<uint8_t> zoomRange;
     optional<ActorRef<CustomTileLoader>> loaderRef;
 };