diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 7f9c363aef698c5dc15a2f27308b0bc494dca1cf..82cef6fce8db56bacab30d2e92e8728cd0518724 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -1020,8 +1020,6 @@ def make_sales_invoice(source_name, target_doc=None, ignore_permissions=False):
 			else source.qty - source.returned_qty
 		)
 
-		if source_parent.project:
-			target.cost_center = frappe.db.get_value("Project", source_parent.project, "cost_center")
 		if target.item_code:
 			item = get_item_defaults(
 				target.item_code, source_parent.company, source_parent.get("tax_category")
@@ -1034,6 +1032,14 @@ def make_sales_invoice(source_name, target_doc=None, ignore_permissions=False):
 			if cost_center:
 				target.cost_center = cost_center
 
+		project_cost_center = None
+		if source_parent.project:
+			target.project = source_parent.project
+			project_cost_center = frappe.db.get_value("Project", target.project, "cost_center")
+
+		if source_parent.cost_center or project_cost_center:
+			target.cost_center = source_parent.cost_center or project_cost_center
+
 	doclist = get_mapped_doc(
 		"Sales Order",
 		source_name,