diff --git a/ritherdon-archive.asd b/ritherdon-archive.asd
index 395ad40..ae509ac 100644
--- a/ritherdon-archive.asd
+++ b/ritherdon-archive.asd
@@ -41,6 +41,7 @@
 	       #:cl-slug        ; Asciify and slugify strings
 	       #:str            ; String manipulation (easier than built-in)
                #:copy-directory ; Copy Directories using Native cp
+               #:cl-diskspace   ; Get Disk Info.
 	       )
   :pathname "src/"
   ;; :serial t