diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index 69f4f82459..6100b8363e 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -4807,7 +4807,13 @@ int32_t tsdbReaderReset2(STsdbReader* pReader, SQueryTableDataCond* pCond) {
 
   bool    asc = ASCENDING_TRAVERSE(pReader->info.order);
   int32_t step = asc ? 1 : -1;
-  int64_t ts = asc ? pReader->info.window.skey - 1 : pReader->info.window.ekey + 1;
+
+  int64_t ts = 0;
+  if (asc) {
+    ts = (pReader->info.window.skey > INT64_MIN)? pReader->info.window.skey-1:pReader->info.window.skey;
+  } else {
+    ts = (pReader->info.window.ekey < INT64_MAX)? pReader->info.window.ekey + 1:pReader->info.window.ekey;
+  }
   resetAllDataBlockScanInfo(pStatus->pTableMap, ts, step);
 
   // no data in files, let's try buffer in memory