diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index c0eaa72996..add29b7718 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -8,6 +8,7 @@
 ;;; Copyright © 2017, 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2017, 2019 Eric Bavier <bavier@member.fsf.org>
+;;; Copyright © 2020 Björn Höfling <bjoern.hoefling@bjoernhoefling.de>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -884,8 +885,8 @@ (define-public java-jtransforms
     (version "3.1")
     (source (origin
               (method url-fetch)
-              (uri (string-append "http://search.maven.org/remotecontent?"
-                                  "filepath=com/github/wendykierp/JTransforms/"
+              (uri (string-append "https://repo1.maven.org/maven2/"
+                                  "com/github/wendykierp/JTransforms/"
                                   version "/JTransforms-" version "-sources.jar"))
               (sha256
                (base32