diff --git a/jedi-core.el b/jedi-core.el
index b625312..dfb4c44 100644
--- a/jedi-core.el
+++ b/jedi-core.el
@@ -45,7 +45,7 @@
 
 (defvar jedi:source-dir
   (if (string-match "\*Org Src" (buffer-name (current-buffer)))
-      (file-name-directory (buffer-file-name (org-src-source-buffer (current-buffer))))
+      (file-name-directory (buffer-file-name (org-src-source-buffer)))
     (if load-file-name
         (file-name-directory load-file-name)
       default-directory)))