diff --git a/dbus/dbusactiveread.hpp b/dbus/dbusactiveread.hpp
index 2edb3cc..9a80e0e 100644
--- a/dbus/dbusactiveread.hpp
+++ b/dbus/dbusactiveread.hpp
@@ -29,7 +29,9 @@
     ReadReturn read(void) override;
 
   private:
-    sdbusplus::bus_t& _bus;
+    // Inform the compiler that this variable might not be used,
+    // which suppresses the warning "private field '_bus' is not used"
+    [[maybe_unused]] sdbusplus::bus_t& _bus;
     const std::string _path;
     const std::string _service; // the sensor service.
     std::unique_ptr<DbusHelperInterface> _helper;