diff --git a/nvmes.hpp b/nvmes.hpp
index 61c027f..436dd38 100644
--- a/nvmes.hpp
+++ b/nvmes.hpp
@@ -40,6 +40,7 @@
     NvmeSSD(sdbusplus::bus::bus& bus, const char* objPath) :
         NvmeIfaces(bus, objPath), bus(bus)
     {
+        ValueIface::unit(Unit::DegreesC);
     }
 
     /** @brief Set sensor value temperature to nvme D-bus  */