diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 8892ab0c56..c9de4f4210 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -313,7 +313,7 @@ integer programming problems and computes Markov bases for statistics.")
     (source
      (origin
       (method url-fetch)
-      (uri (string-append "ftp://ftp.ifor.math.ethz.ch/pub/fukuda/cdd/cddlib-"
+      (uri (string-append "ftp://ftp.math.ethz.ch/users/fukudak/cdd/cddlib-"
                           (string-delete #\. version) ".tar.gz"))
       (sha256
        (base32