diff --git a/dmt/src/main/java/com/gbase8c/dmt/db/oracle/TableObjectImpl.java b/dmt/src/main/java/com/gbase8c/dmt/db/oracle/TableObjectImpl.java
index 09272a86ceb588d1806716f0753a8224e48484b4..67c399c1810db514569a97513461c536f82ec56e 100644
--- a/dmt/src/main/java/com/gbase8c/dmt/db/oracle/TableObjectImpl.java
+++ b/dmt/src/main/java/com/gbase8c/dmt/db/oracle/TableObjectImpl.java
@@ -568,7 +568,7 @@ public class TableObjectImpl extends MetaImpl implements TableObject {
                         for (String datei: dateList) {
                             if (!datei.equalsIgnoreCase("DEFAULT")){
                                 String selectFromDualSql = "select " + datei + "from dual";
-                                List<Timestamp> s1 = query(selectFromDualSql, new ColumnListHandler<>());
+                                List<Object> s1 = query(selectFromDualSql, new ColumnListHandler<>());
                                 if (CollectionUtils.isNotEmpty(s1)) {
                                     srcList.add(s1.get(0).toString());
                                 }