diff --git a/src/PerformScan.cpp b/src/PerformScan.cpp
index c81557f..144b824 100644
--- a/src/PerformScan.cpp
+++ b/src/PerformScan.cpp
@@ -464,9 +464,9 @@
     return copyIt.value();
 }
 
-void PerformScan::updateSystemConfiguration(
-    const nlohmann::json& recordRef, const std::string& probeName,
-    FoundDevices& foundDevices, const MapperGetSubTreeResponse& dbusSubtree)
+void PerformScan::updateSystemConfiguration(const nlohmann::json& recordRef,
+                                            const std::string& probeName,
+                                            FoundDevices& foundDevices)
 {
     _passed = true;
     passedProbes.push_back(probeName);
@@ -515,9 +515,10 @@
         // interface, such as if it was just TRUE, then
         // templateCharReplace will just get passed in an empty
         // map.
-        auto objectIt = dbusSubtree.find(path);
-        const DBusObject& dbusObject =
-            (objectIt == dbusSubtree.end()) ? emptyObject : objectIt->second;
+        auto objectIt = dbusProbeObjects.find(path);
+        const DBusObject& dbusObject = (objectIt == dbusProbeObjects.end())
+                                           ? emptyObject
+                                           : objectIt->second;
 
         nlohmann::json record = recordRef;
         std::string recordName = getRecordName(foundDevice, probeName);