diff --git a/src/HwmonTempSensor.cpp b/src/HwmonTempSensor.cpp
index bd89c4c..667e517 100644
--- a/src/HwmonTempSensor.cpp
+++ b/src/HwmonTempSensor.cpp
@@ -86,8 +86,15 @@
 
 void HwmonTempSensor::setupRead(void)
 {
-    std::weak_ptr<HwmonTempSensor> weakRef = weak_from_this();
+    if (!readingStateGood())
+    {
+        markAvailable(false);
+        updateValue(std::numeric_limits<double>::quiet_NaN());
+        restartRead();
+        return;
+    }
 
+    std::weak_ptr<HwmonTempSensor> weakRef = weak_from_this();
     boost::asio::async_read_until(inputDev, readBuf, '\n',
                                   [weakRef](const boost::system::error_code& ec,
                                             std::size_t /*bytes_transfered*/) {
@@ -100,6 +107,24 @@
                                   });
 }
 
+void HwmonTempSensor::restartRead()
+{
+    std::weak_ptr<HwmonTempSensor> weakRef = weak_from_this();
+    waitTimer.expires_from_now(boost::posix_time::milliseconds(sensorPollMs));
+    waitTimer.async_wait([weakRef](const boost::system::error_code& ec) {
+        if (ec == boost::asio::error::operation_aborted)
+        {
+            return; // we're being canceled
+        }
+        std::shared_ptr<HwmonTempSensor> self = weakRef.lock();
+        if (!self)
+        {
+            return;
+        }
+        self->setupRead();
+    });
+}
+
 void HwmonTempSensor::handleResponse(const boost::system::error_code& err)
 {
     if ((err == boost::system::errc::bad_file_descriptor) ||
@@ -140,28 +165,7 @@
         return; // we're no longer valid
     }
     inputDev.assign(fd);
-    waitTimer.expires_from_now(boost::posix_time::milliseconds(sensorPollMs));
-    std::weak_ptr<HwmonTempSensor> weakRef = weak_from_this();
-    waitTimer.async_wait([weakRef](const boost::system::error_code& ec) {
-        std::shared_ptr<HwmonTempSensor> self = weakRef.lock();
-        if (ec == boost::asio::error::operation_aborted)
-        {
-            if (self)
-            {
-                std::cerr << "Hwmon temp sensor " << self->name
-                          << " read cancelled " << self->path << "\n";
-            }
-            else
-            {
-                std::cerr << "Hwmon sensor read cancelled, no self\n";
-            }
-            return; // we're being canceled
-        }
-        if (self)
-        {
-            self->setupRead();
-        }
-    });
+    restartRead();
 }
 
 void HwmonTempSensor::checkThresholds(void)