diff --git a/redfish-core/lib/pcie.hpp b/redfish-core/lib/pcie.hpp
index e10ba64..40fcd41 100644
--- a/redfish-core/lib/pcie.hpp
+++ b/redfish-core/lib/pcie.hpp
@@ -415,7 +415,7 @@
 {
     const std::string* deviceType = nullptr;
     const std::string* generationInUse = nullptr;
-    const int64_t* lanesInUse = nullptr;
+    const size_t* lanesInUse = nullptr;
 
     const bool success = sdbusplus::unpackPropertiesNoThrow(
         dbus_utils::UnpackErrorPrinter(), pcieDevProperties, "DeviceType",