diff --git a/WEB-INF/src/dao/UserDAO.java b/WEB-INF/src/dao/UserDAO.java
index 88a18172e6e59ed2c1d2c3a24d71e84020fe2018..c2c3eb05f34dd5a648197b3a80c736899b68caf7 100644
--- a/WEB-INF/src/dao/UserDAO.java
+++ b/WEB-INF/src/dao/UserDAO.java
@@ -156,7 +156,8 @@ public class UserDAO {
         try {
             ps.setInt(1, user.getId());
             ps.setInt(2, thread.getId());
-            ps.setString(3, "TO_DATE(" +LocalDate.now().toString() + ", 'YYYY/MM/DD')");
+            Date date = Date.valueOf(LocalDate.now());
+            ps.setDate(3, date);
             ps.executeUpdate();
         }
         catch (SQLException sqle) {