diff --git a/issue8433.diff b/issue8433.diff
new file mode 100644
index 0000000..366261f
--- /dev/null
+++ b/issue8433.diff
@@ -0,0 +1,12 @@
+diff -r b2224b020799 inventory.py
+--- a/trytond/trytond/modules/stock/inventory.py	Mon Jun 10 18:57:43 2019 +0200
++++ b/trytond/trytond/modules/stock/inventory.py	Fri Jun 14 14:08:03 2019 +0200
+@@ -460,7 +460,7 @@
+         '''
+         values = {}
+         # if nothing changed, no update
+-        if self.quantity == self.expected_quantity == quantity:
++        if self.expected_quantity == quantity:
+             return values
+         values['expected_quantity'] = quantity
+         return values
diff --git a/series b/series
index 0f11ba6..d3a45b4 100644
--- a/series
+++ b/series
@@ -7,17 +7,9 @@ issue3932.diff # [account] rule account move and account move line by company
 issue6253.diff # [account_invoice] add invoice type criteria
 issue4506.diff # [account_invoice] Add credit invoices keyword from account.invoice
 
-issue8252.diff # [account_tax_rule_country] Add subdivisiions to match account tax rule
-
 issue4030.diff # [analytic_account] Not selected root accounts in analytic account lines
 analitic_line_company_rules.diff # [analytic_account] Not selected root accounts in analytic account lines
 
-issue8413.diff # [carrier]  Add recname to search
-
-party_identifier_migration.diff # [party] avoid errors on upgrades
-
-production_view.diff # [production] Split inputs and outputs on pages
-
 sale_list_price.diff # [sale] Can't convert to currency with list price is null (multicompany)
 sale_supply_supply_on_sale_multivalue.diff # [sale_supply] supply_on_sale field multvalue #035100
 
@@ -34,13 +26,14 @@ issue8394.diff # [stock_lot_sled] Allow configuring which quantity is grouped in
 
 issue10467.diff # [stock_lot] add lot to grouping when assign try if lot it's required on product
 
+party_identifier_migration.diff # [Party] avoid errors on upgrades
 
-
-
-account_asset.diff # [account_asset] check if exist asset_lines
-sale_remove_multiselection.diff # [sale] remove multiselection handling exceptions.
+issue8413.diff # [carrier]  Add recname to search
+production_view.diff #[production] Split inputs and outputs on pages
+issue8433.diff [stock] check inventory lines to not write if not necessary.
 
 # Sao
+
 issue8240.diff # Add drag and drop support to sao
 issue8390.diff # Different readonly computation for editable tree
 issue8386.diff # Buttons on list view do not work