diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index 418bf632394f7bbfce2f22a62a772b5e880957fa..d9770e109595fc82775132c98ae826a467d15211 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -6,6 +6,17 @@
 
 ### Bug fixes
 - cta/CTA#1029 Fix segmentatin fault in frontend when list repacks of a tape that has been deleted in the catalogue
+- cta/CTA#1031 Fix Warning in updateDriveStatus
+
+# v4.2-3
+
+# v4.2-2
+
+## Summary
+
+### Features
+- cta/CTA#976 Add logical part of Drive Status using Catalogue
+- cta/CTA#988 Add diskSpaceReservations map in cta-admin --json dr ls output.
 
 # v4.2-1
 
diff --git a/scheduler/TapeDrivesCatalogueState.cpp b/scheduler/TapeDrivesCatalogueState.cpp
index 7297ca741f003ab252af122c72446af03aba206d..f7b4bc1b68cfa923d960f02d83dbd6ea5d7bf8d7 100644
--- a/scheduler/TapeDrivesCatalogueState.cpp
+++ b/scheduler/TapeDrivesCatalogueState.cpp
@@ -21,6 +21,7 @@
 #include "common/dataStructures/DriveInfo.hpp"
 #include "common/dataStructures/TapeDrive.hpp"
 #include "common/log/Logger.hpp"
+#include "scheduler/DiskSpaceReservation.hpp"
 #include "TapeDrivesCatalogueState.hpp"
 #include "tapeserver/daemon/TpconfigLine.hpp"
 
@@ -206,14 +207,16 @@ void TapeDrivesCatalogueState::updateDriveStatus(const common::dataStructures::D
     case common::dataStructures::DriveStatus::Unknown:
     case common::dataStructures::DriveStatus::Up:
     {
-      log::ScopedParamContainer params(lc);
-      params.add("diskSystem", driveState.diskSystemName)
-            .add("bytes", driveState.reservedBytes)
-            .add("previousStatus", toString(previousStatus))
-            .add("newStatus", toString(driveState.driveStatus));
-      lc.log(log::WARNING, "In TapeDrivesCatalogueState::updateDriveStatus(): will clear non-empty disk space reservation on status change.");
-      driveState.diskSystemName = "NULL";
-      driveState.reservedBytes = 0;
+      if (driveState.diskSystemName != "NULL") {
+        log::ScopedParamContainer params(lc);
+        params.add("diskSystem", driveState.diskSystemName)
+              .add("bytes", driveState.reservedBytes)
+              .add("previousStatus", toString(previousStatus))
+              .add("newStatus", toString(driveState.driveStatus));
+        lc.log(log::WARNING, "In TapeDrivesCatalogueState::updateDriveStatus(): will clear non-empty disk space reservation on status change.");
+        driveState.diskSystemName = "NULL";
+        driveState.reservedBytes = 0;
+      }
     }
     default:
       break;