diff --git a/ob-julia.el b/ob-julia.el
index 9d6cabc..2432130 100644
--- a/ob-julia.el
+++ b/ob-julia.el
@@ -82,6 +82,7 @@ There's no effect in non-session evaluations"
     (set (make-local-variable 'org-babel-julia-session-directory) dir)
     (save-window-excursion
       (require 'ess)
+      (require 'ess-julia)
       ;; load the julia startup script (defined in ob-julia-startup-script)
       ;; pass it along with other arguments defined in inferior-julia-args
       (let* ((start-script-arg