diff --git a/inc/id_button.hpp b/inc/id_button.hpp
index e48843b..24514d9 100644
--- a/inc/id_button.hpp
+++ b/inc/id_button.hpp
@@ -37,7 +37,7 @@
 {
   public:
     IDButton(sdbusplus::bus_t& bus, const char* path, EventPtr& event,
-             buttonConfig& buttonCfg) :
+             ButtonConfig& buttonCfg) :
         sdbusplus::server::object_t<
             sdbusplus::xyz::openbmc_project::Chassis::Buttons::server::ID>(
             bus, path),