diff --git a/src/mgmt/nfd/controller.hpp b/src/mgmt/nfd/controller.hpp
index e98b606..8797b39 100644
--- a/src/mgmt/nfd/controller.hpp
+++ b/src/mgmt/nfd/controller.hpp
@@ -132,7 +132,7 @@
 
   void
   fetchDataset(const Name& prefix,
-               const std::function<void(const ConstBufferPtr&)>& processResponse,
+               const std::function<void(ConstBufferPtr)>& processResponse,
                const DatasetFailCallback& onFailure,
                const CommandOptions& options);