diff --git a/erpnext/stock/dashboard_chart_source/stock_value_by_item_group/stock_value_by_item_group.py b/erpnext/stock/dashboard_chart_source/stock_value_by_item_group/stock_value_by_item_group.py
index 68f64619e7b..e2d0b1e41e8 100644
--- a/erpnext/stock/dashboard_chart_source/stock_value_by_item_group/stock_value_by_item_group.py
+++ b/erpnext/stock/dashboard_chart_source/stock_value_by_item_group/stock_value_by_item_group.py
@@ -53,12 +53,14 @@ def get_stock_value_by_item_group(company):
 		.inner_join(item_doctype)
 		.on(doctype.item_code == item_doctype.name)
 		.select(item_doctype.item_group, stock_value.as_("stock_value"))
-		.where(doctype.warehouse.isin(warehouses))
 		.groupby(item_doctype.item_group)
 		.orderby(stock_value, order=frappe.qb.desc)
 		.limit(10)
 	)
 
+	if warehouses:
+		query = query.where(doctype.warehouse.isin(warehouses))
+
 	results = query.run(as_dict=True)
 
 	labels = []