diff --git a/ydb/core/blobstorage/vdisk/common/vdisk_mongroups.h b/ydb/core/blobstorage/vdisk/common/vdisk_mongroups.h
index 0ecbe7c0c39d..08ef8d56613a 100644
--- a/ydb/core/blobstorage/vdisk/common/vdisk_mongroups.h
+++ b/ydb/core/blobstorage/vdisk/common/vdisk_mongroups.h
@@ -477,7 +477,7 @@ public:
         ///////////////////////////////////////////////////////////////////////////////////
         class TLsmAllLevelsStat {
         public:
-            static constexpr ui32 MaxCounterLevels = 20;
+            static constexpr ui32 MaxCounterLevels = 24;
 
             TIntrusivePtr<::NMonitoring::TDynamicCounters> Group;
             // per-level information
diff --git a/ydb/core/blobstorage/vdisk/hulldb/generic/hullds_idx.h b/ydb/core/blobstorage/vdisk/hulldb/generic/hullds_idx.h
index 08629559dde7..ba93bd71be26 100644
--- a/ydb/core/blobstorage/vdisk/hulldb/generic/hullds_idx.h
+++ b/ydb/core/blobstorage/vdisk/hulldb/generic/hullds_idx.h
@@ -492,7 +492,9 @@ namespace NKikimr {
             for (const auto& seg : level.Segs->Segments) {
                 process(info, seg.Get());
             }
-            ++levelIndex;
+            if (++levelIndex >= NMonGroup::TLsmAllLevelsStat::MaxCounterLevels) {
+                break;
+            }
         }
 
         AllLevelsDataInplaced = allLevelsDataInplaced;