diff --git a/map/benchmark_framework.hpp b/map/benchmark_framework.hpp
index a62c7ed004..194e6e77e6 100644
--- a/map/benchmark_framework.hpp
+++ b/map/benchmark_framework.hpp
@@ -12,7 +12,7 @@
 
 #include "../search/engine.hpp"
 
-class BenchmarkRectProvider;
+struct BenchmarkRectProvider;
 class WindowHandle;
 class PaintEvent;