diff --git a/src/workgroups-functions.el b/src/workgroups-functions.el
index d257373d6bf2513913c8389f5483dc1c9cfa058c..2645de7ba685125f5b067b7668875ef2854ee614 100644
--- a/src/workgroups-functions.el
+++ b/src/workgroups-functions.el
@@ -4,6 +4,7 @@
 
 (require 'dflet)
 (require 'workgroups-compat)
+(require 'workgroups-utils-basic)
 
 (defun wg-read-object (prompt test warning &optional initial-contents keymap
                               read hist default-value inherit-input-method)