diff --git a/include/boost/http/server/route_handler.hpp b/include/boost/http/server/route_handler.hpp
index 18dd019d..0f66f03c 100644
--- a/include/boost/http/server/route_handler.hpp
+++ b/include/boost/http/server/route_handler.hpp
@@ -12,7 +12,7 @@
 
 #include <boost/http/detail/config.hpp>
 #include <boost/http/server/router_types.hpp>
-#include <boost/capy/any_bufref.hpp>
+#include <boost/capy/buffers/buffer_param.hpp>
 #include <boost/capy/buffers.hpp>
 #include <boost/capy/datastore.hpp>
 #include <boost/capy/task.hpp>
@@ -242,7 +242,7 @@ struct BOOST_HTTP_SYMBOL_VISIBLE
     route_task
     write(Buffers const& buffers)
     {
-        return write_impl(capy::any_bufref(buffers));
+        return write_impl(capy::buffer_param(buffers));
     }
 
     /** Complete a streaming response.
@@ -284,7 +284,7 @@ struct BOOST_HTTP_SYMBOL_VISIBLE
 
         @return A task that completes when the write is done.
     */
-    virtual route_task write_impl(capy::any_bufref buffers) = 0;
+    virtual route_task write_impl(capy::buffer_param buffers) = 0;
 };
 
 } // http
diff --git a/test/unit/server/test_route_handler.hpp b/test/unit/server/test_route_handler.hpp
index 48680675..9182229d 100644
--- a/test/unit/server/test_route_handler.hpp
+++ b/test/unit/server/test_route_handler.hpp
@@ -24,7 +24,7 @@ struct test_route_params : route_params
         co_return {};
     }
 
-    route_task write_impl(capy::any_bufref) override
+    route_task write_impl(capy::buffer_param) override
     {
         co_return {};
     }