diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 361d4a7a33a156e9c42970fac60e47ba2124608a..64a0b06bef9b53f657dffaa59e257a095f4ab228 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -326,7 +326,7 @@ static int setColumnFilterInfoForTimestamp(SSqlCmd* pCmd, SQueryInfo* pQueryInfo
   STableMetaInfo* pTableMetaInfo = tscGetMetaInfo(pQueryInfo, 0);
 
   STableComInfo tinfo = tscGetTableInfo(pTableMetaInfo->pTableMeta);
-  if (convertTimestampStrToInt64(pVar, tinfo.precision) < -1) {
+  if (convertTimestampStrToInt64(pVar, tinfo.precision) < 0) {
    return invalidOperationMsg(tscGetErrorMsgPayload(pCmd), msg);
   }
   return TSDB_CODE_SUCCESS;