diff --git a/health_metric_config.hpp b/health_metric_config.hpp
index 2b0a578..49f39ad 100644
--- a/health_metric_config.hpp
+++ b/health_metric_config.hpp
@@ -37,6 +37,7 @@
     memoryTotal,
     // Storage subtypes
     storageReadWrite,
+    storageTmp,
     NA
 };