diff --git a/.emacs.d/include/misc.el b/.emacs.d/include/misc.el
index 2d59fcf..56b6b47 100644
--- a/.emacs.d/include/misc.el
+++ b/.emacs.d/include/misc.el
@@ -332,8 +332,8 @@
          (dir-path (file-name-directory dir)))
     (if (not (string-match-p grading-directory-root dir-path))
         (error "Must be in subdirectory of %s" grading-directory-root)
-      (let ((readme-file   (concat dir-path "README.md"))
-            (solution-file (concat dir-path "solution.rkt"))
+      (let ((readme-file   "README.md")
+            (solution-file "solution.rkt")
             (start-file    (concat dir-path (grade-file-format start))))
         (find-file start-file)
         (delete-other-windows)