diff --git a/gnu/packages/engineering.scm b/gnu/packages/engineering.scm
index 8bed5795a0..e552433460 100644
--- a/gnu/packages/engineering.scm
+++ b/gnu/packages/engineering.scm
@@ -8,7 +8,7 @@
 ;;; Copyright © 2017 Julien Lepiller <julien@lepiller.eu>
 ;;; Copyright © 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
-;;; Copyright © 2018 Jonathan Brielmaier <jonathan.brielmaier@web.de>
+;;; Copyright © 2018, 2019 Jonathan Brielmaier <jonathan.brielmaier@web.de>
 ;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
 ;;; Copyright © 2019 Tim Stahel <swedneck@swedneck.xyz>
 ;;;
@@ -1003,7 +1003,8 @@ (define-public harminv
                 "0w1n4d249vlpda0hi6z1v13qp21vlbp3ykn0m8qg4rd5132j7fg1"))))
     (build-system gnu-build-system)
     (arguments
-     `(#:phases
+     `(#:configure-flags '("--enable-shared")
+       #:phases
        (modify-phases %standard-phases
          (add-before 'configure 'fix-tests
            (lambda _