diff --git a/ydb/core/tablet_flat/flat_executor_counters.h b/ydb/core/tablet_flat/flat_executor_counters.h
index c2e843848a9c..7e61dde5f4b7 100644
--- a/ydb/core/tablet_flat/flat_executor_counters.h
+++ b/ydb/core/tablet_flat/flat_executor_counters.h
@@ -70,7 +70,7 @@ namespace NTabletFlatExecutor {
     XX(DB_COMMITTED_TX_COUNT, "DbCommittedTxCount") \
     XX(DB_REMOVED_TX_COUNT, "DbRemovedTxCount") \
     XX(DB_REMOVED_COMMITTED_TXS, "DbRemovedCommittedTxs") \
-    XX(TABLET_START_TIME_US, "StartTimeUs") \
+    XX(TABLET_START_TIME_US, "LastStartTimeUs") \
 
 // don't change order!
 #define FLAT_EXECUTOR_CUMULATIVE_COUNTERS_MAP(XX) \