diff --git a/redfish-core/lib/pcie.hpp b/redfish-core/lib/pcie.hpp
index 8dc922d..cda1323 100644
--- a/redfish-core/lib/pcie.hpp
+++ b/redfish-core/lib/pcie.hpp
@@ -100,7 +100,7 @@
                       const std::string& name)
 {
     dbus::utility::getSubTreePaths(
-        inventoryPath, 1, {},
+        inventoryPath, 1, pcieDeviceInterface,
         [asyncResp, name](const boost::system::error_code& ec,
                           const dbus::utility::MapperGetSubTreePathsResponse&
                               pcieDevicePaths) {