diff --git a/src/client/src/tscPrepare.c b/src/client/src/tscPrepare.c
index 1ecfc3993d5bff459ead825215eeda860bea5620..eea6ffeb5959c98cbed6e4ad7ebd1344111daf01 100644
--- a/src/client/src/tscPrepare.c
+++ b/src/client/src/tscPrepare.c
@@ -1804,7 +1804,7 @@ int taos_stmt_close(TAOS_STMT* stmt) {
     }
   }
 
-  tscFreeRegisteredSqlObj(pStmt->pSql));
+  tscFreeRegisteredSqlObj(pStmt->pSql);
   tfree(pStmt);
   STMT_RET(TSDB_CODE_SUCCESS);
 }