diff --git a/layers/+lang/clojure/packages.el b/layers/+lang/clojure/packages.el
index d5000da88..4b814bdc5 100644
--- a/layers/+lang/clojure/packages.el
+++ b/layers/+lang/clojure/packages.el
@@ -207,7 +207,8 @@
     :init
     (progn
       (add-to-list 'auto-mode-alist '("\\.boot\\'" . clojure-mode))
-      (add-to-list 'magic-mode-alist '(".* boot" . clojure-mode)))
+      ;; This regexp matches shebang expressions like `#!/usr/bin/env boot'
+      (add-to-list 'magic-mode-alist '("#!.*boot\\s-*$" . clojure-mode)))
     :config
     (progn
       (dolist (m '(clojure-mode clojurec-mode clojurescript-mode clojurex-mode))