diff --git a/config.el b/config.el
index 6977549..9e8f784 100644
--- a/config.el
+++ b/config.el
@@ -459,7 +459,7 @@
     (interactive)
     (let ((tem (dired-get-filename t t)))
       (if tem
-	  (browse-url-of-file (concat "file://///wsl$/"
+          (browse-url-of-file (concat "file://///wsl$/"
                                       (getenv "WSL_DISTRO_NAME")
                                       (expand-file-name tem)))
         (error "No file on this line"))))