1 files changed, 4 insertions, 2 deletions
diff --git a/src/mbgl/renderer/tile_parameters.hpp b/src/mbgl/renderer/tile_parameters.hpp
index cbe8dfb3ba..9af7ceb736 100644
--- a/src/mbgl/renderer/tile_parameters.hpp
+++ b/src/mbgl/renderer/tile_parameters.hpp
@@ -2,10 +2,12 @@
 
 #include <mbgl/map/mode.hpp>
 
+#include <memory>
+
 namespace mbgl {
 
-class TransformState;
 class FileSource;
+class TransformState;
 class AnnotationManager;
 class ImageManager;
 class GlyphManager;
@@ -13,9 +15,9 @@ class GlyphManager;
 class TileParameters {
 public:
     const float pixelRatio;
+    std::shared_ptr<FileSource> fileSource;
     const MapDebugOptions debugOptions;
     const TransformState& transformState;
-    FileSource& fileSource;
     const MapMode mode;
     AnnotationManager& annotationManager;
     ImageManager& imageManager;