diff --git a/erpnext/manufacturing/doctype/bom/bom.py b/erpnext/manufacturing/doctype/bom/bom.py
index 7a2aa8a06b8..0af7a86b93d 100644
--- a/erpnext/manufacturing/doctype/bom/bom.py
+++ b/erpnext/manufacturing/doctype/bom/bom.py
@@ -354,7 +354,8 @@ class BOM(WebsiteGenerator):
 		bom_list = self.traverse_tree(bom_list)
 		for bom in bom_list:
 			bom_obj = frappe.get_doc("BOM", bom)
-			bom_obj.on_update()
+			bom_obj.check_recursion()
+			bom_obj.update_exploded_items()
 
 		return bom_list
 
diff --git a/erpnext/manufacturing/doctype/bom_update_tool/bom_update_tool.py b/erpnext/manufacturing/doctype/bom_update_tool/bom_update_tool.py
index 3f6cb44c490..59861ceba3a 100644
--- a/erpnext/manufacturing/doctype/bom_update_tool/bom_update_tool.py
+++ b/erpnext/manufacturing/doctype/bom_update_tool/bom_update_tool.py
@@ -62,7 +62,7 @@ class BOMUpdateTool(Document):
 			bom_list.append(d[0])
 			self.get_parent_boms(d[0], bom_list)
 
-		return bom_list
+		return list(set(bom_list))
 
 @frappe.whitelist()
 def enqueue_replace_bom(args):