diff --git a/addons/stock_account/report/stock_history.py b/addons/stock_account/report/stock_history.py
index 3e67dd1db8d..ccf150954dc 100644
--- a/addons/stock_account/report/stock_history.py
+++ b/addons/stock_account/report/stock_history.py
@@ -79,7 +79,7 @@ class StockHistory(models.Model):
                 product_template_id,
                 SUM(quantity) as quantity,
                 date,
-                SUM(price_unit_on_quant * quantity) / SUM(quantity) as price_unit_on_quant,
+                COALESCE(SUM(price_unit_on_quant * quantity) / NULLIF(SUM(quantity), 0), 0) as price_unit_on_quant,
                 source,
                 string_agg(DISTINCT serial_number, ', ' ORDER BY serial_number) AS serial_number
                 FROM