diff --git a/src/NVMeSensor.cpp b/src/NVMeSensor.cpp
index fc7bc48..a5257f5 100644
--- a/src/NVMeSensor.cpp
+++ b/src/NVMeSensor.cpp
@@ -22,7 +22,7 @@
 static constexpr double minReading = 0;
 
 NVMeSensor::NVMeSensor(sdbusplus::asio::object_server& objectServer,
-                       boost::asio::io_service&,
+                       boost::asio::io_service& /*unused*/,
                        std::shared_ptr<sdbusplus::asio::connection>& conn,
                        const std::string& sensorName,
                        std::vector<thresholds::Threshold>&& thresholdsIn,