diff --git a/control/zone.hpp b/control/zone.hpp
index feaa8c8..3774d76 100644
--- a/control/zone.hpp
+++ b/control/zone.hpp
@@ -622,6 +622,12 @@
         void saveCurrentMode();
 
         /**
+         * @brief Restore persisted thermal control current mode property
+         * value, setting the mode to "Default" otherwise
+         */
+        void restoreCurrentMode();
+
+        /**
          * @brief Get the request speed base if defined, otherwise the
          * the current target speed is returned
          *