diff --git a/src/watch.hpp b/src/watch.hpp
index c206316..5cf2c19 100644
--- a/src/watch.hpp
+++ b/src/watch.hpp
@@ -39,8 +39,7 @@
     virtual void callback(Context ctx) = 0;
 
     /** @brief Invoke the callback associated with the watch. */
-    virtual void callback(Context /* ctx */,
-                          sdbusplus::message::message& /* msg */){};
+    virtual void callback(Context /* ctx */, sdbusplus::message_t& /* msg */){};
 };
 
 } // namespace monitoring