diff --git a/el/sclang-dev.el b/el/sclang-dev.el
index b7e852a..440409c 100644
--- a/el/sclang-dev.el
+++ b/el/sclang-dev.el
@@ -15,6 +15,7 @@
 
 
 (eval-when-compile
+  (require 'sclang-util)
   (require 'sclang-interp)
   )