diff --git a/ansible/roles/emacs/files/base-extensions.el b/ansible/roles/emacs/files/base-extensions.el
index f6ed90f..f78dfb1 100644
--- a/ansible/roles/emacs/files/base-extensions.el
+++ b/ansible/roles/emacs/files/base-extensions.el
@@ -65,6 +65,9 @@
 (setq tramp-default-method "ssh")
 
 (use-package nginx-mode
+  :mode (
+         ("headers\\.include\\'" . nginx-mode)
+         )
   :config
   (setq nginx-indent-level 4))