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Diffstat (limited to 'src/mbgl/renderer/image_manager_observer.hpp')
-rw-r--r--src/mbgl/renderer/image_manager_observer.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mbgl/renderer/image_manager_observer.hpp b/src/mbgl/renderer/image_manager_observer.hpp
index c2ca481d66..947c5a36bc 100644
--- a/src/mbgl/renderer/image_manager_observer.hpp
+++ b/src/mbgl/renderer/image_manager_observer.hpp
@@ -8,7 +8,7 @@ class ImageManagerObserver {
public:
virtual ~ImageManagerObserver() = default;
- virtual void onStyleImageMissing(const std::string&, std::function<void()> done) { done(); }
+ virtual void onStyleImageMissing(const std::string&, const std::function<void()>& done) { done(); }
virtual void onRemoveUnusedStyleImages(const std::vector<std::string>&) {}
};