1 files changed, 9 insertions, 5 deletions
diff --git a/src/mbgl/annotation/annotation_source.cpp b/src/mbgl/annotation/annotation_source.cpp
index 9956140179..b0b8bae6cc 100644
--- a/src/mbgl/annotation/annotation_source.cpp
+++ b/src/mbgl/annotation/annotation_source.cpp
@@ -7,19 +7,23 @@ namespace mbgl {
 using namespace style;
 
 AnnotationSource::AnnotationSource()
-    : Source(SourceType::Annotations, std::make_unique<Impl>(*this)) {
+    : Source(makeMutable<Impl>()) {
 }
 
-AnnotationSource::Impl::Impl(Source& base_)
-    : Source::Impl(SourceType::Annotations, AnnotationManager::SourceID, base_) {
+AnnotationSource::Impl::Impl()
+    : Source::Impl(SourceType::Annotations, AnnotationManager::SourceID) {
 }
 
-void AnnotationSource::Impl::loadDescription(FileSource&) {
+void AnnotationSource::loadDescription(FileSource&) {
     loaded = true;
 }
 
+optional<std::string> AnnotationSource::Impl::getAttribution() const {
+    return {};
+}
+
 std::unique_ptr<RenderSource> AnnotationSource::Impl::createRenderSource() const {
-    return std::make_unique<RenderAnnotationSource>(*this);
+    return std::make_unique<RenderAnnotationSource>(staticImmutableCast<AnnotationSource::Impl>(immutableFromThis()));
 }
 
 } // namespace mbgl