diff --git a/src/Utils.hpp b/src/Utils.hpp
index f553cd6..2438e4f 100644
--- a/src/Utils.hpp
+++ b/src/Utils.hpp
@@ -132,7 +132,7 @@
 const static constexpr char* interface = "xyz.openbmc_project.State.Chassis";
 const static constexpr char* path = "/xyz/openbmc_project/state/chassis0";
 const static constexpr char* property = "CurrentPowerState";
-const static constexpr char* sOn = "On";
+const static constexpr char* sOn = ".On";
 } // namespace chassis
 
 namespace post