diff --git a/sensors/host.cpp b/sensors/host.cpp
index 53f114e..85a37dc 100644
--- a/sensors/host.cpp
+++ b/sensors/host.cpp
@@ -96,4 +96,14 @@
     throw std::runtime_error("Not Implemented.");
 }
 
+bool HostSensor::getFailed(void)
+{
+    if (std::isfinite(_value))
+    {
+        return false;
+    }
+
+    return true;
+}
+
 } // namespace pid_control
diff --git a/sensors/host.hpp b/sensors/host.hpp
index 35c7f45..5c70526 100644
--- a/sensors/host.hpp
+++ b/sensors/host.hpp
@@ -55,6 +55,7 @@
 
     ReadReturn read(void) override;
     void write(double value) override;
+    bool getFailed(void) override;
 
   private:
     /*