diff --git a/ubi/flash.cpp b/ubi/flash.cpp
index 0089d01..b445a56 100644
--- a/ubi/flash.cpp
+++ b/ubi/flash.cpp
@@ -28,7 +28,7 @@
     return;
 }
 
-void Activation::onStateChanges(sdbusplus::message::message& msg)
+void Activation::onStateChanges(sdbusplus::message_t& msg)
 {
     uint32_t newStateID{};
     sdbusplus::message::object_path newStateObjPath;