diff --git a/home-config/dotfiles/emacs.d/config/programming-languages.el b/home-config/dotfiles/emacs.d/config/programming-languages.el
index 67506740..69db72b9 100644
--- a/home-config/dotfiles/emacs.d/config/programming-languages.el
+++ b/home-config/dotfiles/emacs.d/config/programming-languages.el
@@ -316,7 +316,7 @@
          ("C-c l i" . consult-eglot-symbols))
   :defun eglot-alternatives
   :defvar eglot-workspace-configuration eglot-server-programs
-  :setq (eglot-workspace-configuration .
+  :setq-default (eglot-workspace-configuration .
     '((nixd
        (formatting
         (command . ["nixfmt"])))