diff --git a/device_monitor.hpp b/device_monitor.hpp
index 191c2bc..2d55af3 100644
--- a/device_monitor.hpp
+++ b/device_monitor.hpp
@@ -26,7 +26,7 @@
 {
   public:
     DeviceMonitor() = delete;
-    ~DeviceMonitor() = default;
+    virtual ~DeviceMonitor() = default;
     DeviceMonitor(const DeviceMonitor&) = delete;
     DeviceMonitor& operator=(const DeviceMonitor&) = delete;
     DeviceMonitor(DeviceMonitor&&) = delete;