diff --git a/example/register-property.cpp b/example/register-property.cpp
index 2c3e362..3d2e86f 100644
--- a/example/register-property.cpp
+++ b/example/register-property.cpp
@@ -1,4 +1,5 @@
-#include <boost/asio.hpp>
+#include <boost/asio/io_context.hpp>
+#include <boost/asio/signal_set.hpp>
 #include <sdbusplus/asio/connection.hpp>
 #include <sdbusplus/asio/object_server.hpp>
 #include <sdbusplus/asio/property.hpp>