diff --git a/issue8860.diff b/issue8860.diff
new file mode 100644
index 0000000..2530b36
--- /dev/null
+++ b/issue8860.diff
@@ -0,0 +1,30 @@
+diff -r e19cb8ea533a forecast.py
+--- a/trytond/trytond/modules/stock_forecast/forecast.py	Wed Oct 30 13:23:56 2019 +0100
++++ b/trytond/trytond/modules/stock_forecast/forecast.py	Sat Nov 23 01:22:47 2019 +0100
+@@ -448,15 +448,23 @@
+                 unit_price, self.uom)
+ 
+         moves = []
+-        for day, qty in distribution.items():
+-            if qty == 0.0:
++        pending = self.quantity - self.quantity_executed
++        for day in sorted(distribution.keys(), reverse=True):
++            qty = distribution[day]
++            quantity = qty * self.minimal_quantity
++            if day == 0:
++                quantity = max(quantity, pending)
++            else:
++                quantity = min(quantity, pending)
++            if quantity <= 0.0:
+                 continue
++            pending -= quantity
+             move = Move()
+             move.from_location = self.forecast.warehouse.storage_location
+             move.to_location = self.forecast.destination
+             move.product = self.product
+             move.uom = self.uom
+-            move.quantity = qty * self.minimal_quantity
++            move.quantity = quantity
+             move.planned_date = from_date + datetime.timedelta(day)
+             move.company = self.forecast.company
+             move.currency = self.forecast.company.currency
diff --git a/series b/series
index d7516f7..0f57f36 100644
--- a/series
+++ b/series
@@ -37,3 +37,4 @@ issue8752 # [analytic_invoice]
 #improve_performance_on_try_assign.diff # [stock] change browse of product to get default_uom to pysql
 #issue53451002_1_10001.diff # [stock] Allow configuring which quantity is grouped in compute_quantities_query() needed by stock_number_of_packages Issue7805 (only needed by stock_number_of_packages)
 #stock_lot_sled.diff # [stock_lot_sled] Allow configuring which quantity is grouped in compute_quantities_query() needed by stock_number_of_packages
+issue8860.diff # [stock_forecast] stock_forecast does not spread all the quantities