diff --git a/src/memory.hh b/src/memory.hh
index b48d3d3f..9c0ec462 100644
--- a/src/memory.hh
+++ b/src/memory.hh
@@ -87,7 +87,7 @@ struct Allocator
     template<class U, class... Args>
     void construct(U* p, Args&&... args)
     {
-        new (p) U(std::forward<Args>(args)...);
+        new ((void*)p) U(std::forward<Args>(args)...);
     }
 
     template<class U>