diff --git a/emacs/init.el b/emacs/init.el
index 226b21f..b9fea7b 100644
--- a/emacs/init.el
+++ b/emacs/init.el
@@ -229,7 +229,7 @@
 ;; adjustments
 (use-package smart-tabs-mode
   :ensure t
-  :after (fish-mode glsl-mode rust-mode)
+  :after (fish-mode glsl-mode rust-mode lua-mode)
   :config
   (smart-tabs-add-language-support powershell powershell-mode-hook
     ((powershell-indent-line . powershell-indent)))
@@ -240,12 +240,15 @@
   (smart-tabs-add-language-support glsl glsl-mode-hook
     ((c-indent-line . c-basic-offset)
      (c-indent-region . c-basic-offset)))
+  (smart-tabs-add-language-support lua lua-mode-hook
+    ((lua-indent-line . lua-indent-level)))
   (smart-tabs-insinuate
    'c
    'fish
+   'glsl
    'javascript
-   'rust
-   'glsl))
+   'lua
+   'rust))
 
 (use-package ialign
   :ensure t