diff --git a/addons/account/account.py b/addons/account/account.py
index 402340afc9a..dbe441e93f4 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -1159,16 +1159,16 @@ class account_move(osv.osv):
             return chart_account
 
         for move in self.browse(cursor, user, ids):
-            lines = move.line_id
-            if lines:
-                ref_line = lines[0]
-                ref_chart_account = _get_chart_account(cursor, user, ref_line.account_id)
-                parent_left = ref_chart_account.parent_left
-                parent_right = ref_chart_account.parent_right
-                result = True
-                for line in lines[1:]:
-                   if not (line.account_id.parent_left > parent_left and line.account_id.parent_left < parent_right):
-                         raise osv.except_osv(_('Error !'), _('You cannot validate a move unless accounts in its entry lines are in same Chart Of Accounts !'))
+            top = None
+            for line in move.line_id:
+                account = line.account_id
+                while account:
+                    account2 = account
+                    account = account.parent_id
+                if not top:
+                    top = account2.id
+                elif top<>account2.id:
+                    raise osv.except_osv(_('Error !'), _('You cannot validate a Journal Entry unless all journal items are in same chart of accounts !'))
         return self.post(cursor, user, ids, context=context)
 
     def button_cancel(self, cr, uid, ids, context={}):
diff --git a/addons/account/test/account_validate_account_move.yml b/addons/account/test/account_validate_account_move.yml
index a2b22730e2c..37d64ead528 100644
--- a/addons/account/test/account_validate_account_move.yml
+++ b/addons/account/test/account_validate_account_move.yml
@@ -37,7 +37,7 @@
 -
   I check that Initially account move state is "Draft"
 -
-  !assert {model: account.move, id: account_move_0}:
+  !assert {model: account.move, id: account_move_0, string: initialstatedraft}:
     - state == 'draft'
 -
   I validate this account move by using the 'Validate Journal Entries' wizard
@@ -46,18 +46,12 @@
     journal_id: account.bank_journal
     period_id: account.period_6
 -
-  I clicked on validate Button
+  I click on validate Button
 -
   !python {model: validate.account.move}: |
-    try:
-        self.validate_move(cr, uid, [ref("validate_account_move_0")], {"lang": "en_US",
-          "active_model": "ir.ui.menu", "active_ids": [ref("account.menu_validate_account_moves")],
-          "tz": False, "active_id": ref("account.menu_validate_account_moves"), })
-    except:
-        pass
-
+      self.validate_move(cr, uid, [ref("validate_account_move_0")], {"lang": "en_US", "active_model": "ir.ui.menu", "active_ids": [ref("account.menu_validate_account_moves")], "tz": False, "active_id": ref("account.menu_validate_account_moves"), })
 -
   I check that the invoice state is now "Posted"
 -
-  !assert {model: account.move, id: account_move_0}:
+  !assert {model: account.move, id: account_move_0, string: moveincorrect}:
     - state == 'posted'