diff --git a/sensors/buildjson.cpp b/sensors/buildjson.cpp
index c320fe1..b8120a8 100644
--- a/sensors/buildjson.cpp
+++ b/sensors/buildjson.cpp
@@ -49,6 +49,7 @@
      * sensors.
      */
     s.ignoreDbusMinMax = false;
+    s.unavailableAsFailed = true;
     s.min = 0;
     s.max = 0;
 
@@ -58,6 +59,12 @@
         j.at("ignoreDbusMinMax").get_to(s.ignoreDbusMinMax);
     }
 
+    auto findunAsF = j.find("unavailableAsFailed");
+    if (findunAsF != j.end())
+    {
+        j.at("unavailableAsFailed").get_to(s.unavailableAsFailed);
+    }
+
     /* The min field is optional in a configuration. */
     auto min = j.find("min");
     if (min != j.end())