diff --git a/modules/editor/format/autoload/format.el b/modules/editor/format/autoload/format.el
index 8cea65a04..58ef9c761 100644
--- a/modules/editor/format/autoload/format.el
+++ b/modules/editor/format/autoload/format.el
@@ -145,8 +145,11 @@ See `+format/buffer' for the interactive version of this function, and
                   ((eq output t) 'noop)
                   ((let ((tmpfile (make-temp-file "doom-format"))
                          (patchbuf (get-buffer-create " *doom format patch*"))
-                         (coding-system-for-read 'utf-8)
-                         (coding-system-for-write 'utf-8))
+                         (coding-system-for-read coding-system-for-read)
+                         (coding-system-for-write coding-system-for-write))
+                     (unless IS-WINDOWS
+                       (setq coding-system-for-read 'utf-8
+                             coding-system-for-write 'utf-8))
                      (unwind-protect
                          (progn
                            (with-current-buffer patchbuf