diff --git a/src/ADCSensor.cpp b/src/ADCSensor.cpp
index ef7a90a..e77261a 100644
--- a/src/ADCSensor.cpp
+++ b/src/ADCSensor.cpp
@@ -61,7 +61,7 @@
     inputDev(io, open(path.c_str(), O_RDONLY)), waitTimer(io), path(path),
     scaleFactor(scaleFactor),
     sensorPollMs(static_cast<unsigned int>(pollRate * 1000)),
-    bridgeGpio(std::move(bridgeGpio)), thresholdTimer(io, this)
+    bridgeGpio(std::move(bridgeGpio)), thresholdTimer(io)
 {
     sensorInterface = objectServer.add_interface(
         "/xyz/openbmc_project/sensors/voltage/" + name,
@@ -88,6 +88,7 @@
     // close the input dev to cancel async operations
     inputDev.close();
     waitTimer.cancel();
+
     objServer.remove_interface(thresholdInterfaceWarning);
     objServer.remove_interface(thresholdInterfaceCritical);
     objServer.remove_interface(sensorInterface);
@@ -230,5 +231,5 @@
         return;
     }
 
-    thresholds::checkThresholdsPowerDelay(this, thresholdTimer);
+    thresholds::checkThresholdsPowerDelay(weak_from_this(), thresholdTimer);
 }