diff --git a/test/automated/ruby-mode-tests.el b/test/automated/ruby-mode-tests.el
index e84f55be93d..efed67d9d91 100644
--- a/test/automated/ruby-mode-tests.el
+++ b/test/automated/ruby-mode-tests.el
@@ -91,6 +91,9 @@ VALUES-PLIST is a list with alternating index and value elements."
 (ert-deftest ruby-no-heredoc-inside-quotes ()
   (ruby-assert-state "\"<<\", \"\",\nfoo" 3 nil))
 
+(ert-deftest ruby-exit!-font-lock ()
+  (ruby-assert-face "exit!" 5 font-lock-builtin-face))
+
 (ert-deftest ruby-deep-indent ()
   (let ((ruby-deep-arglist nil)
         (ruby-deep-indent-paren '(?\( ?\{ ?\[ ?\] t)))