diff --git a/src/entity_manager/entity_manager.hpp b/src/entity_manager/entity_manager.hpp
index f730dde..5b5bbf6 100644
--- a/src/entity_manager/entity_manager.hpp
+++ b/src/entity_manager/entity_manager.hpp
@@ -69,6 +69,7 @@
     bool scannedPowerOn = false;
 
     bool propertiesChangedInProgress = false;
+    boost::asio::steady_timer propertiesChangedTimer;
 
     void startRemovedTimer(boost::asio::steady_timer& timer,
                            nlohmann::json& systemConfiguration);