diff --git a/manager/json-config.hpp b/manager/json-config.hpp
index 64441b3..d02af56 100644
--- a/manager/json-config.hpp
+++ b/manager/json-config.hpp
@@ -41,8 +41,7 @@
             sdbusplus::bus::match::rules::interfacesAdded() +
                 sdbusplus::bus::match::rules::sender(
                     "xyz.openbmc_project.EntityManager"),
-            std::bind(&JsonConfig::ifacesAddedCallback, this,
-                      std::placeholders::_1));
+            [this](sdbusplus::message_t& m) { ifacesAddedCallback(m); });
         getFilePath();
 
         if (!confFile.empty())