diff --git a/src/client/src/tscSubquery.c b/src/client/src/tscSubquery.c
index af5d21c279d186d33f14768cb69af3c1e887b00a..0b6cee89c72ba0bcd6daa2c358ac6d9d3a0ea86c 100644
--- a/src/client/src/tscSubquery.c
+++ b/src/client/src/tscSubquery.c
@@ -2881,7 +2881,7 @@ void tscHandleSubqueryError(SRetrieveSupport *trsupport, SSqlObj *pSql, int numO
     SSqlObj *userSql = pParentSql->rootObj;
 
     if ((code == TSDB_CODE_TDB_INVALID_TABLE_ID || code == TSDB_CODE_VND_INVALID_VGROUP_ID) && userSql->retry < userSql->maxRetry) {
-      if (userSql != pParentSql) {
+      if (userSql != pParentSql && pParentSql->freeParam != NULL) {
         (*pParentSql->freeParam)(&pParentSql->param);
       }