diff --git a/flycheck-odin.el b/flycheck-odin.el
index d65ee2a..4ab5fc7 100644
--- a/flycheck-odin.el
+++ b/flycheck-odin.el
@@ -1,4 +1,4 @@
-;;; flycheck-odin.el - Flycheck support for Odin
+;;; flycheck-odin.el - Flycheck support for Odin.  -*-lexical-binding: t-*-
 
 (require 'flycheck)
 ;; Flycheck requires seq so this shouldn't be an issue?