diff --git a/CHANGELOG b/CHANGELOG
index 03993204df..f49246d2bd 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,4 @@
+* Show reconciled date on invoice
 * Make description on invoice line optional
 
 Version 4.6.0 - 2017-10-30
diff --git a/invoice.py b/invoice.py
index 29977129fc..0ad1a488ef 100644
--- a/invoice.py
+++ b/invoice.py
@@ -179,7 +179,10 @@ class Invoice(Workflow, ModelSQL, ModelView, TaxableMixin):
     total_amount = fields.Function(fields.Numeric('Total', digits=(16,
                 Eval('currency_digits', 2)), depends=['currency_digits']),
         'get_amount', searcher='search_total_amount')
-    reconciled = fields.Function(fields.Boolean('Reconciled'),
+    reconciled = fields.Function(fields.Date('Reconciled',
+            states={
+                'invisible': ~Eval('reconciled'),
+                }),
             'get_reconciled')
     lines_to_pay = fields.Function(fields.One2Many('account.move.line', None,
         'Lines to Pay'), 'get_lines_to_pay')
@@ -664,12 +667,13 @@ class Invoice(Workflow, ModelSQL, ModelView, TaxableMixin):
         return result
 
     def get_reconciled(self, name):
-        if not self.lines_to_pay:
-            return False
-        for line in self.lines_to_pay:
-            if not line.reconciliation:
-                return False
-        return True
+        reconciliations = [l.reconciliation for l in self.lines_to_pay]
+        if not reconciliations:
+            return None
+        elif not all(reconciliations):
+            return None
+        else:
+            return max(r.date for r in reconciliations)
 
     @classmethod
     def get_lines_to_pay(cls, invoices, name):
diff --git a/tests/scenario_invoice.rst b/tests/scenario_invoice.rst
index 3b7479d5ee..e04bf5c2fa 100644
--- a/tests/scenario_invoice.rst
+++ b/tests/scenario_invoice.rst
@@ -189,6 +189,8 @@ Credit invoice with refund::
     >>> invoice.reload()
     >>> invoice.state
     u'paid'
+    >>> invoice.reconciled == today
+    True
     >>> receivable.reload()
     >>> receivable.debit
     Decimal('240.00')
diff --git a/tests/scenario_invoice_supplier.rst b/tests/scenario_invoice_supplier.rst
index 9c0c213e0b..08b3a56d0c 100644
--- a/tests/scenario_invoice_supplier.rst
+++ b/tests/scenario_invoice_supplier.rst
@@ -195,7 +195,6 @@ Cancel draft invoice::
     u'cancel'
     >>> invoice_draft.move
     >>> invoice_draft.reconciled
-    False
 
 Cancel posted invoice::
 
@@ -204,5 +203,5 @@ Cancel posted invoice::
     u'cancel'
     >>> invoice.cancel_move is not None
     True
-    >>> invoice.reconciled
+    >>> invoice.reconciled == today
     True
diff --git a/view/invoice_form.xml b/view/invoice_form.xml
index 817b7ae3c0..17f7ee7bae 100644
--- a/view/invoice_form.xml
+++ b/view/invoice_form.xml
@@ -34,7 +34,7 @@ this repository contains the full copyright notices and license terms. -->
                 <group col="4" colspan="1" id="amount_state_buttons" yfill="1">
                     <group col="2" colspan="2" id="reconciled_state" yfill="1">
                         <label name="reconciled"/>
-                        <field name="reconciled" xexpand="0"/>
+                        <field name="reconciled"/>
                         <label name="state"/>
                         <field name="state"/>
                     </group>