diff --git a/src/common/src/texpr.c b/src/common/src/texpr.c
index e40910bf1a3ef40072b12daed356e7caf606d995..565c65e8509a372c37098032e5c6af92db883e6a 100644
--- a/src/common/src/texpr.c
+++ b/src/common/src/texpr.c
@@ -1189,7 +1189,8 @@ int32_t exprValidateTimeNode(tExprNode *pExpr) {
         return TSDB_CODE_TSC_OUT_OF_MEMORY;
       }
       child->pVal->nType = TSDB_DATA_TYPE_TIMESTAMP;
-      child->pVal->i64   = taosGetTimestampToday() * pExpr->_func.precision;
+      int64_t timeValSec = taosGetTimestampToday() * 1000;
+      child->pVal->i64 = convertTimePrecision(timeValSec, TSDB_TIME_PRECISION_MILLI, pExpr->_func.precision);
       pExpr->resultType  = TSDB_DATA_TYPE_TIMESTAMP;
       pExpr->resultBytes = (int16_t)tDataTypes[pExpr->resultType].bytes;
       break;