diff --git a/src/sensor.hpp b/src/sensor.hpp
index 07d70ec..b21df1e 100644
--- a/src/sensor.hpp
+++ b/src/sensor.hpp
@@ -78,13 +78,18 @@
         configInterface(configInterfaceName(objectType)),
         isSensorSettable(isSettable), isValueMutable(isMutable), maxValue(max),
         minValue(min), thresholds(std::move(thresholdData)),
-        hysteresisTrigger((max - min) * 0.01),
-        hysteresisPublish((max - min) * 0.0001), dbusConnection(conn),
-        readState(readState),
+        dbusConnection(conn), readState(readState),
         instrumentation(enableInstrumentation
                             ? std::make_unique<SensorInstrumentation>()
                             : nullptr)
-    {}
+    {
+        // These inits confuse tidy because they're doing constructor params
+        // math on member variables that tidy suggests should be default
+        // initialized. NOLINTBEGIN(cppcoreguidelines-prefer-member-initializer)
+        hysteresisTrigger = (max - min) * 0.01;
+        hysteresisPublish = (max - min) * 0.0001;
+        // NOLINTEND(cppcoreguidelines-prefer-member-initializer)
+    }
     virtual ~Sensor() = default;
     virtual void checkThresholds() = 0;
     std::string name;
@@ -110,8 +115,8 @@
     double rawValue = std::numeric_limits<double>::quiet_NaN();
     bool overriddenState = false;
     bool internalSet = false;
-    double hysteresisTrigger;
-    double hysteresisPublish;
+    double hysteresisTrigger = 1.0;
+    double hysteresisPublish = 1.0;
     std::shared_ptr<sdbusplus::asio::connection> dbusConnection;
     PowerState readState;
     size_t errCount{0};