diff --git a/account_usability/models/account_bank_statement.py b/account_usability/models/account_bank_statement.py
index 612767c..6eac610 100644
--- a/account_usability/models/account_bank_statement.py
+++ b/account_usability/models/account_bank_statement.py
@@ -42,6 +42,13 @@ class AccountBankStatement(models.Model):
             res.append((statement.id, name))
         return res
 
+    def button_reopen(self):
+        self = self.with_context(skip_undo_reconciliation=True)
+        return super().button_reopen()
+
+    def button_undo_reconciliation(self):
+        self.line_ids.button_undo_reconciliation()
+
 
 class AccountBankStatementLine(models.Model):
     _inherit = 'account.bank.statement.line'
@@ -88,3 +95,9 @@ class AccountBankStatementLine(models.Model):
             'res_id': self.move_id.id,
             })
         return action
+
+    def button_undo_reconciliation(self):
+        if self._context.get("skip_undo_reconciliation"):
+            return
+        else:
+            return super().button_undo_reconciliation()
diff --git a/account_usability/views/account_bank_statement.xml b/account_usability/views/account_bank_statement.xml
index e69651c..91a759f 100644
--- a/account_usability/views/account_bank_statement.xml
+++ b/account_usability/views/account_bank_statement.xml
@@ -13,6 +13,14 @@
     <field name="model">account.bank.statement</field>
     <field name="inherit_id" ref="account.view_bank_statement_form"/>
     <field name="arch" type="xml">
+        <button name="button_reopen" position="after">
+            <button
+                name="button_undo_reconciliation"
+                type="object"
+                confirm="Are you sure to unreconcile all the entrie of the bank statement?"
+                states="open"
+                string="Unreconcile All"/>
+        </button>
         <xpath expr="//field[@name='line_ids']/tree/button[@name='button_undo_reconciliation']" position="after">
             <field name="move_id" invisible="1"/>
             <button name="show_account_move" type="object"