diff --git a/issue7672.diff b/issue7672.diff
new file mode 100644
index 0000000..e7dbb8d
--- /dev/null
+++ b/issue7672.diff
@@ -0,0 +1,22 @@
+diff --git a/tryton/modules/stock/product.py b/tryton/modules/stock/product.py
+index 4ae0e95154..7e53384a3c 100644
+--- a/tryton/modules/stock/product.py
++++ b/tryton/modules/stock/product.py
+@@ -1153,6 +1153,8 @@ class ModifyCostPrice(Wizard):
+
+     def get_revision(self, Revision):
+         return Revision(
++            template=None,
++            product=None,
+             company=Transaction().context.get('company'),
+             date=self.start.date,
+             cost_price=self.start.cost_price,
+@@ -1245,7 +1247,7 @@ class CostPriceRevision(ModelSQL, ModifyCostPriceStart):
+             raise ProductCostPriceError(
+                 gettext('stock.msg_invalid_cost_price',
+                     cost_price=self.cost_price,
+-                    product=product.rec_name,
++                    product=product.rec_name if product else '',
+                     exception=exception)) from exception
+         if not isinstance(amount, Decimal):
+             raise ProductCostPriceError(
diff --git a/series b/series
index db888cf..4b33f98 100644
--- a/series
+++ b/series
@@ -55,3 +55,5 @@ merge_request779.diff # [account_payment] Warn when submitting, approving or pro
 issue12576.diff # [account_stock_eu] Could not find the intrastat countries for moves
 
 issue7677.diff # [trytond] Do not set rec_name for unsaved record
+
+issue7672.diff # [stock] Always fill product and template of cost price revision