diff --git a/erpnext/patches/v6_4/make_image_thumbnail.py b/erpnext/patches/v6_4/make_image_thumbnail.py
index 60219e4..1daaede 100644
--- a/erpnext/patches/v6_4/make_image_thumbnail.py
+++ b/erpnext/patches/v6_4/make_image_thumbnail.py
@@ -9,6 +9,6 @@
 			try:
 				item_doc.make_thumbnail()
 				if item_doc.thumbnail:
-					item_doc.db_set("thumbnail", item_doc.thumbnail)
+					item_doc.db_set("thumbnail", item_doc.thumbnail, update_modified=False)
 			except Exception:
 				print "Unable to make thumbnail for {0}".format(item.website_image)
diff --git a/erpnext/stock/doctype/item/item.json b/erpnext/stock/doctype/item/item.json
index fcb696a..7d314d2 100644
--- a/erpnext/stock/doctype/item/item.json
+++ b/erpnext/stock/doctype/item/item.json
@@ -2286,4 +2286,4 @@
  "read_only_onload": 0,
  "search_fields": "item_name,description,item_group,customer_code",
  "title_field": "item_name"
-}
\ No newline at end of file
+}