diff --git a/src/NVMeSensor.cpp b/src/NVMeSensor.cpp
index d265a02..f22bf70 100644
--- a/src/NVMeSensor.cpp
+++ b/src/NVMeSensor.cpp
@@ -54,6 +54,9 @@
         association::interface);
 
     setInitialProperties(sensor_paths::unitDegreesC);
+    // Mark as unavailable until the first packet has been received over NVMe
+    // MI.
+    markAvailable(false);
 }
 
 NVMeSensor::~NVMeSensor()