diff --git a/mm/vmscan.c b/mm/vmscan.c
index 1a581468a9cf..be56e2e1931e 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1451,7 +1451,7 @@ int __isolate_lru_page(struct page *page, isolate_mode_t mode)
 				return ret;
 
 			mapping = page_mapping(page);
-			migrate_dirty = mapping && mapping->a_ops->migratepage;
+			migrate_dirty = !mapping || mapping->a_ops->migratepage;
 			unlock_page(page);
 			if (!migrate_dirty)
 				return ret;