diff --git a/lisp/mitch-defuns.el b/lisp/mitch-defuns.el
index 4818214..43291a7 100644
--- a/lisp/mitch-defuns.el
+++ b/lisp/mitch-defuns.el
@@ -92,7 +92,8 @@ For use in hooks."
   (interactive)
   (if (bound-and-true-p display-line-numbers-mode)
       (display-line-numbers-mode -1))
-  (linum-mode -1)
+  (if (fboundp #'linum-mode)
+      (linum-mode -1))
   (if (fboundp #'linum-relative-mode)
       (linum-relative-mode -1)))