diff --git a/init.el b/init.el
index 63fa305..b2bd935 100644
--- a/init.el
+++ b/init.el
@@ -126,7 +126,8 @@
 (use-package nix-mode :ensure t
   :mode "\\.nix\\'")
 ;; terraform
-(use-package terraform-mode :ensure t)
+(use-package terraform-mode :ensure t
+  :config (add-hook 'terraform-mode-hook #'terraform-format-on-save-mode))
 ;; rego
 (use-package rego-mode :ensure t)
 ;; vue