diff --git a/lisp/init-built-in.el b/lisp/init-built-in.el
index 950ed8b..7497431 100644
--- a/lisp/init-built-in.el
+++ b/lisp/init-built-in.el
@@ -93,6 +93,8 @@
 (electric-pair-mode 1)
 (electric-indent-mode 1)
 
+(add-hook 'prog-mode-hook #'display-line-numbers-mode)
+
 (with-eval-after-load 'dired
   (require 'dired-x)