diff --git a/ext_interface.cpp b/ext_interface.cpp
index 8e6db17..cc3475e 100644
--- a/ext_interface.cpp
+++ b/ext_interface.cpp
@@ -28,7 +28,7 @@
  *
  * @return distinct dbus name for input interface/path
  **/
-std::string getService(sdbusplus::bus::bus& bus, const std::string& intf,
+std::string getService(sdbusplus::bus_t& bus, const std::string& intf,
                        const std::string& path)
 {