diff --git a/utilities.lisp b/utilities.lisp
index 54cd7f4b093cbf1ccc027b03dd5e3ab86dd6316d..e08c4096e4de50c8292df5a688fac1a0ad7a44c9 100644
--- a/utilities.lisp
+++ b/utilities.lisp
@@ -23,7 +23,7 @@
              ,@(cdr transformers))))
 
 (defun split-lines (x)
-  (asdf:split-string x :separator #(#\newline)))
+  (split-string x :separator #(#\newline)))
 
 (defun split-lines* (x)
   (remove-if #'emptyp (split-lines x)))