[core] shared data among AnnotationTileFeature objects

1 files changed, 2 insertions, 2 deletions

diff --git a/src/mbgl/annotation/shape_annotation_impl.cpp b/src/mbgl/annotation/shape_annotation_impl.cpp
index d3ddf62b9e..05ffce382d 100644
--- a/src/mbgl/annotation/shape_annotation_impl.cpp
+++ b/src/mbgl/annotation/shape_annotation_impl.cpp
@@ -38,7 +38,7 @@ void ShapeAnnotationImpl::updateTileData(const CanonicalTileID& tileID, Annotati
     if (shapeTile.features.empty())
         return;
 
-    AnnotationTileLayer& layer = data.layers.emplace(layerID, layerID).first->second;
+    AnnotationTileLayer& layer = data.addLayer(layerID);
 
     ToGeometryCollection toGeometryCollection;
     ToFeatureType toFeatureType;
@@ -53,7 +53,7 @@ void ShapeAnnotationImpl::updateTileData(const CanonicalTileID& tileID, Annotati
             renderGeometry = fixupPolygons(renderGeometry);
         }
 
-        layer.features.emplace_back(id, featureType, renderGeometry);
+        layer.addFeature(id, featureType, renderGeometry);
     }
 }