diff --git a/core/core-ui.el b/core/core-ui.el
index 2ed87bce3..a2ae12e79 100644
--- a/core/core-ui.el
+++ b/core/core-ui.el
@@ -264,7 +264,7 @@ file."
 
   ;; fix for disappearing line numbers in nlinum
   ;; <https://github.com/hlissner/.emacs.d/issues/59#issuecomment-306937318>
-  (defun doom*nlinum--region (start limit)
+  (defun doom*nlinum-region (start limit)
     (save-excursion
       (let ((inhibit-point-motion-hooks t))
         (goto-char start)