diff --git a/pid/buildjson.cpp b/pid/buildjson.cpp
index 8396338..dd7d2a3 100644
--- a/pid/buildjson.cpp
+++ b/pid/buildjson.cpp
@@ -37,6 +37,7 @@
 void from_json(const json& j, conf::ControllerInfo& c)
 {
     std::vector<std::string> inputNames;
+    std::vector<std::string> missingAcceptableNames;
 
     j.at("type").get_to(c.type);
     j.at("inputs").get_to(inputNames);
@@ -50,7 +51,14 @@
         findTempToMargin->get_to(inputTempToMargin);
     }
 
-    c.inputs = spliceInputs(inputNames, inputTempToMargin);
+    auto findMissingAcceptable = j.find("missingIsAcceptable");
+    if (findMissingAcceptable != j.end())
+    {
+        findMissingAcceptable->get_to(missingAcceptableNames);
+    }
+
+    c.inputs = spliceInputs(inputNames, inputTempToMargin,
+                            missingAcceptableNames);
 
     /* TODO: We need to handle parsing other PID controller configurations.
      * We can do that by checking for different keys and making the decision