diff --git a/modules/ui/neotree/config.el b/modules/ui/neotree/config.el
index 999a8ea35..ea3e752dd 100644
--- a/modules/ui/neotree/config.el
+++ b/modules/ui/neotree/config.el
@@ -26,7 +26,7 @@
         '(;; vcs folders
           "^\\.\\(git\\|hg\\|svn\\)$"
           ;; compiled files
-          "\\.\\(pyc\\|o\\|elc\\|lock\\|css.map\\)$"
+          "\\.\\(pyc\\|o\\|elc\\|lock\\|css.map\\|class\\)$"
           ;; generated files, caches or local pkgs
           "^\\(node_modules\\|vendor\\|.\\(project\\|cask\\|yardoc\\|sass-cache\\)\\)$"
           ;; org-mode folders