diff --git a/src/config.scm b/src/config.scm
index 835b97a..4404fb6 100644
--- a/src/config.scm
+++ b/src/config.scm
@@ -33,7 +33,7 @@
 				((eq? 'move type) 'default-move-options))))
 
 			    (wm (create-new-manager root-wm type2
-						    (append options def-opt)
+						    options def-opt
 						    parent)))
 		       (for-each (lambda (spec)
 				   (loop wm spec))